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    Тонкие пленки железогадолиниевых сплавов [Текст] / Л. В. Киренский [и др.] // Изв. АН СССР, Сер. физич. - 1965. - Т. 29, № 4. - С. 689-694. - Библиогр.: 12 назв. - Phys. Abstr. - 1966. - Vol. 69, 31713
   Перевод заглавия: Thin films of iron-gadolinium alloys

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Держатели документа:
Институт физики им. Л.В. Киренского СО РАН

Доп.точки доступа:
Киренский, Леонид Васильевич; Kirenskii, L. V.; Неделько, А. А.; Буравихин, Виктор Анатольевич; Пузей, Иван Михайлович; Всесоюзный симпозиум по физике тонких ферромагнитных пленок(2 ; 1964 ; июль ; 10-15 ; Иркутск)
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    Gd3Ga5O12:Nd3+ crystals for a continuous-wave diode-pumped laser operating in 4F3/2 4I11/2 and 4F3/2 4I13/2 channels / A. A. Kaminskii [et al.] // Crystallogr. Rep. - 2002. - Vol. 47, Is. 2. - P. 308-312, DOI 10.1134/1.1466508. - Cited References: 15 . - ISSN 1063-7745
Рубрики:
GALLIUM GARNET
   EMISSION
Кл.слова (ненормированные):
gadolinium -- gallium -- neodymium -- article -- concentration response -- crystal -- pump -- spectroscopy -- X ray -- x ray topography
Аннотация: Garnet crystals of the composition Gd3Ga5O12:Nd3+ (concentration series CNd = 1-10 at. %) were grown from flux. In terms of spectroscopy, these crystals, unlike those grown from melts, form a medium with a single activator center. For the first time, continuous-wave lasing was excited by diode pumping with the use of Gd3Ga5O12:Nd3+ crystals at the wavelengths ?3 = 1.3315 and ?4 = 1.3370 ?m of the 4F3/2 > 4I13/2 channel and also the simultaneous generation at two wavelengths, ?1 = 1.0621 and ?2 = 1.0600 ?m, of the 4F3/2 > 4I11/2 channel. В© 2002 MAIK "Nauka/Interperiodica".

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Другая переводная версия Crystals Gd3Ga5O12:Nd3+ for a continuous-wave diode-pumped laser operating in 4F3/24I11/2 and 4F3/24I13/2 channels [Текст] / A. A. Kaminskij [и др.] // Kristallogr. - 2002. - Vol. 47 Is. 2.- P.344-349 ; Crystallogr. Rep.

Публикация на русском языке Раствор-расплавные кристаллы Gd3Ga5O12:Nd3+ для непрерывных лазеров (4F3/2→4I11/2 и 4F3/2→4I13/2 каналы) с диодно-лазерной накачкой [Текст] / А. А. Каминский [и др.] // Кристаллография. - 2002. - Т. 47 Вып. 2. - С. 344-348

Держатели документа:
Shubnikov Inst. of Crystallography, Russian Academy of Sciences, Leninskii pr. 59, Moscow 117333, Russian Federation

Доп.точки доступа:
Kaminskii, A. A.; Butashin, A. V.; Aleksandrov, K. S.; Александров, Кирилл Сергеевич; Bezmaternykh, L. N.; Безматерных, Леонард Николаевич; Temerov, V. L.; Темеров, Владислав Леонидович; Kravtsov, N. V.; Firsov, V. V.; Seo, D. T.; Hommerich, U.; Temple, D.; Braud, A.
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Magnetic and optical properties and electron paramagnetic resonance of gadolinium-containing oxide glasses / J. . Kliava [et al.] // J. Phys.: Condens. Matter. - 2003. - Vol. 15, Is. 40. - P. 6671-6681, DOI 10.1088/0953-8984/15/40/005. - Cited References: 30 . - ISSN 0953-8984

РУБ Physics, Condensed Matter
Рубрики:
ABSORPTION-SPECTRA
   FARADAY-ROTATION
   SPIN-RESONANCE
   IONS
   GD3+
   SPECTROSCOPY
   BEHAVIOR
   GD-3
Кл.слова (ненормированные):
Doping (additives) -- Electronic structure -- Glass -- Lanthanum compounds -- Light absorption -- Magnetic susceptibility -- Oxides -- Paramagnetic resonance -- Positive ions -- Rate constants -- Substitution reactions -- Absorption band -- Gadolinium containing oxide glasses -- Positive Weiss constants -- Gadolinium compounds
Аннотация: Magnetic susceptibility, electron paramagnetic resonance (EPR) and optical absorption have been studied in a glass system 20La(2)O(3)-22Al(2)O(3)-23B(2)O(3)-35(SiO2 + GeO2) with a part of La2O3 substituted by Gd2O3 in different concentrations. Positive Weiss constants have been found in more heavily doped glasses and ascribed to clustering of Gd3+ ions. Computer simulations of the EPR spectra show that the short-range ordering in the environment of the Gd3+ ions is well preserved. The relative distribution widths of the ligand coordinates are less than 2%. In the more heavily doped glasses the EPR spectra are superpositions of signals arising from isolated ions and ferromagnetic clusters. The increase of Gd3+ concentration is shown to change substantially the strong optical absorption edge while only small changes of f-f absorption band characteristics are observed. This difference is associated with the different effect of the Gd ion clustering on the mechanisms of the strong absorption in the ultraviolet region and the f-f absorption.

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Держатели документа:
Univ Bordeaux 1, CPMOH, F-33405 Talence, France
SI Vavilov State Opt Inst, St Petersburg 199034, Russia
Bar Ilan Univ, Dept Chem, IL-52900 Ramat Gan, Israel
Bar Ilan Univ, Dept Phys, IL-52900 Ramat Gan, Israel
RAS, SB, LV Kirensky Phys Inst, Krasnoyarsk 660036, Russia
ИФ СО РАН
CPMOH, Universite Bordeaux-I, 33405 Talence Cedex, France
L V Kirensky Inst. of Physics, SB RAS, Krasnoyarsk 660036, Russian Federation
Bar-Ilan University, Department of Physics, Ramat-Gan 52900, Israel
Bar-Ilan University, Department of Chemistry, Ramat-Gan 52900, Israel
S V Vavilov State Optical Institute, St Petersburg 199034, Russian Federation

Доп.точки доступа:
Kliava, J.; Edelman, I. S.; Эдельман, Ирина Самсоновна; Potseluyko, A. M.; Petrakovskaja, E. A.; Петраковская, Элеонора Анатольевна; Berger, R.; Bruckental, I.; Yeshurun, Y.; Malakhovskii, A. V.; Малаховский, Александр Валентинович; Zarubina, Y. V.
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Spin-glass-like behavior of low field magnetisation in multilayer (Gd/Si/Co/Si)(n) films / G. S. Patrin [et al.] // Phys. Lett. A. - 2003. - Vol. 309, Is. 1-2. - P. 155-159, DOI 10.1016/S0375-9601(03)00169-5. - Cited References: 13 . - ISSN 0375-9601

РУБ Physics, Multidisciplinary
Рубрики:
BIQUADRATIC EXCHANGE
Кл.слова (ненормированные):
cobalt -- gadolinium -- glass -- silicon -- silicon derivative -- acceleration -- article -- film -- magnetic field -- magnetism -- molecular dynamics -- molecular interaction
Аннотация: The results of experimental investigations of magnetic properties of multilayer (Gd/Si/Co/Si)(n) films in low magnetic fields are represented. The spin-glass-like behavior of magnetization is found. The role of biquadratic exchange coupling in a forming of magnetic state of system is discussed. (C) 2003 Elsevier Science B.V. All rights reserved.

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Держатели документа:
Russian Acad Sci, LV Kirenskii Inst Phys, Krasnoyarsk 660036, Russia
Krasnoyarsk State Univ, Krasnoyarsk 660041, Russia
Ural State Univ, Ekaterinburg 620083, Russia
ИФ СО РАН
L. V. Kirenskii Institute of Physics, Siberian Branch, Russian Academy of Sciences, Krasnoyarsk 660036, Russian Federation
Krasnoyarsk State University, prospect Svobodnyi, 79, Krasnoyarsk 660041, Russian Federation
Ural State University, prospect Lenina, 51, Ekaterinburg 620083, Russian Federation

Доп.точки доступа:
Patrin, G. S.; Патрин, Геннадий Семёнович; Vas'kovskii, V. O.; Velikanov, D. A.; Великанов, Дмитрий Анатольевич; Svalov, A. V.; Panova, M. A.
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Linear and nonlinear optical spectroscopy of gadolinium iron borate GdFe3(BO3)(4) / A. M. Kalashnikova [et al.] // JETP Letters. - 2004. - Vol. 80, Is. 5. - P. 293-297, DOI 10.1134/1.1825108. - Cited References: 26 . - ISSN 0021-3640

РУБ Physics, Multidisciplinary
Рубрики:
ORTHOFERRITES
Аннотация: The optical spectra and the second-harmonic generation (SHG) are studied in a noncentrosymmetric GdFe3(BO3)(4) magnet. In the region of weak absorption (alpha similar to 20-400 cm(-1)) below similar to3 eV, three absorption bands are distinguished, which can be unambiguously assigned to forbidden electronic transitions from the ground (6)A(1) state of the Fe3+ ion to its excited states T-4(1) (similar to1.4 eV), T-4(2) (similar to2 eV), and (4)A(1), E-4 (similar to2.8 eV). Intense absorption begins in the region above 3 eV (alpha similar to 2-4 x 10(5) cm(-1)), where two bands at similar to4.0 and 4.8 eV are observed, which are caused by allowed electric dipole charge-transfer transitions. The spectral features of SHG in the 1.2-3.0-eV region are explained by a change in the SHG efficiency caused by a change in the phase mismatch. It is shown that in the weak absorption region, phase matching can be achieved for SHG. (C) 2004 MAIK "Nauka / Interperiodica".

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Держатели документа:
Russian Acad Sci, AF Ioffe Physicotech Inst, St Petersburg 194021, Russia
Russian Acad Sci, Inst Phys, Siberian Div, Krasnoyarsk 660036, Russia
Univ Dortmund, D-44227 Dortmund, Germany
Univ Nijmegen, NSRIM Inst, NL-6525 Nijmegen, Netherlands
ИФ СО РАН
Ioffe Physicotechnical Institute, Russian Academy of Sciences, St. Petersburg, 194021, Russian Federation
Institute of Physics, Siberian Division, Russian Academy of Sciences, Krasnoyarsk, 660036, Russian Federation
Experimental Physics II, Dortmund University, Dortmund, 44227, Germany
NSRIM Institute, University of Nijmegen, 6525, Netherlands

Доп.точки доступа:
Kalashnikova, A. M.; Pavlov, V. V.; Pisarev, R. V.; Bezmaternykh, L. N.; Безматерных, Леонард Николаевич; Bayer, M.; Rasing, T.
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Antiferromagnetic resonance and phase diagrams of gadolinium ferroborate GdFe3(BO3)(4) / A. I. Pankrats [et al.] // J. Exp. Theor. Phys. - 2004. - Vol. 99, Is. 4. - P. 766-775, DOI 10.1134/1.1826168. - Cited References: 16 . - ISSN 1063-7761

РУБ Physics, Multidisciplinary

Кл.слова (ненормированные):
Anisotropy -- Antiferromagnetic materials -- Antiferromagnetism -- Phase diagrams -- Resonance -- Single crystals -- Antiferromagnetic resonance -- Antiferromagnets -- Crystal axis -- Transition fields -- Gadolinium compounds
Аннотация: Antiferromagnetic resonance in single crystals of rhombohedral gadolinium ferroborate GdFe3(BO3)(4) was studied. The frequency-field dependences of antiferromagnetic resonance over the frequency range 26-70 GHz and the temperature dependences of resonance parameters for magnetic fields oriented along the crystal axis and in the basal plane were determined. It was found that the iron subsystem, which can be treated as a two-sublattice antiferromagnet with anisotropy of the easy-plane type, experienced ordering at T = 38 K. At temperatures below 20 K, the gadolinium subsystem with the opposite anisotropy sign strongly influenced the anisotropic properties of the crystal. This resulted in a spontaneous spin-reorientation transition from the easy-plane to the easy-axis state at 10 K. Below 10 K, magnetic field-induced transitions between the states were observed. Experimental phase diagrams on the temperature-magnetic field plane were constructed for fields oriented along the crystal axis and in the basal plane. A simple model was used to calculate the critical transition fields. The results were in close agreement with the experimental values measured at T = 4.2 K for both field orientations. (C) 2004 MAIK "Nauka / Interperiodica".

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Держатели документа:
Russian Acad Sci, Siberian Div, Kirenskii Inst Phys, Krasnoyarsk 660036, Russia
ИФ СО РАН
Kirenskii Institute of Physics, Siberian Division, Russian Academy of Sciences, Akademgorodok, Krasnoyarsk, 660036, Russian Federation

Доп.точки доступа:
Pankrats, A. I.; Панкрац, Анатолий Иванович; Petrakovskii, G. A.; Петраковский, Герман Антонович; Bezmaternykh, L. N.; Безматерных, Леонард Николаевич; Bayukov, O. A.; Баюков, Олег Артемьевич
}
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Structural and electronic transitions in gadolinium iron borate GdFe3(BO3)(4) at high pressures / A. G. Gavriliuk [et al.] // JETP Letters. - 2004. - Vol. 80, Is. 6. - P. 426-432, DOI 10.1134/1.1830662. - Cited References: 20 . - ISSN 0021-3640

РУБ Physics, Multidisciplinary
Рубрики:
TRIGONAL GDFE3(BO3)(4)
   RM(3)(BO3)(4) CRYSTALS
   OPTICAL-SPECTRA
   BAND-STRUCTURE
   FEBO3
   GROWTH
Аннотация: The optical properties and structure of gadolinium iron borate GdFe3(BO3)(4) crystals are studied at high pressures produced in diamond-anvil cells. X-ray diffraction data obtained at a pressure of 25.6 GPa reveal a first-order phase transition retaining the trigonal symmetry and increasing the unit cell volume by 8%. The equation of state is obtained and the compressibility of the crystal is estimated before and after the phase transition. The optical spectra reveal two electronic transitions at pressures similar to26 GPa and similar to43 GPa. Upon the first transition, the optical gap decreases jumpwise from 3.1 to similar to2.25 eV. Upon the second transition at P = 43 GPa, the optical gap deceases down to similar to0.7 eV, demonstrating a dielectric-semiconductor transition. By using the theoretical model developed for a FeBO3 crystal and taking into account some structural analogs of these materials, the anomalies of the high-pressure optical spectra are explained. (C) 2004 MAIK "Nauka/Interperiodica".

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Держатели документа:
Russian Acad Sci, Inst High Pressure Phys, Troitsk 142092, Moscow Region, Russia
Russian Acad Sci, Inst Crystallog, Moscow 119333, Russia
Russian Acad Sci, Siberian Div, LV Kirensky Phys Inst, Krasnoyarsk 660036, Russia
Max Planck Inst Chem, D-55020 Mainz, Germany
ИФ СО РАН

Доп.точки доступа:
Gavriliuk, A. G.; Kharlamova, S. A.; Lyubutin, I. S.; Troyan, I. A.; Ovchinnikov, S. G.; Овчинников, Сергей Геннадьевич; Potseluiko, A. M.; Eremets, M. I.; Boehler, R.
}
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Studies of magnetic and optic properties of rare-earth gallo-ferroborates by Mossbauer and optical spectroscopy / O. A. Bayukov [et al.] // Physica B. - 2005. - Vol. 359: International Conference on Strongly Correlated Electron Systems (SCES 04) (JUL 26-30, 2004, Karlsruhe, GERMANY). - P. 1321-1323, DOI 10.1016/j.physb.2005.01.397. - Cited References: 3 . - ISSN 0921-4526

РУБ Physics, Condensed Matter

Кл.слова (ненормированные):
strongly correlated electron system -- antiferromagnets -- borates -- Antiferromagnets -- Borates -- Strongly correlated electron system -- Antiferromagnetism -- Cryostats -- Energy gap -- Magnetic moments -- Magnetic properties -- Mossbauer spectroscopy -- Optical properties -- Single crystals -- Borates -- Coulomb correlations -- Liquid helium -- Strongly correlated electron systems -- Gadolinium compounds
Аннотация: Magnetic and optical properties of GdFe3-xGax(BO3)(4) single crystals are investigated by Mossbauer and optical spectroscopy. The GdFe3(BO3)(4) multielectron band structure model is derived. A high- and low-spin crossover of Fe3+ ion, a collapse of the magnetic moment, the suppression of Coulomb correlations, and insulator-semiconductor transition are predicted. The jump of an energy gap is measured at pressure 43 GPa. (c) 2005 Elsevier B.V. All rights reserved.

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Держатели документа:
Russian Acad Sci, Siberian Branch, LV Kirensky Phys Inst, Krasnoyarsk, Russia
Inst High Pressure Phys, Troitsk 142190, Russia
Inst Crystallog, Moscow 117333, Russia
Univ Liverpool, Liverpool L69 3BX, Merseyside, England
ИФ СО РАН
LV Kirensky Institute of Physics, Siberian Branch of RAS, Krasnoyarsk, Russian Federation
Institute of High Pressure Physics, 142190, Troisk, Moscow region, Russian Federation
Institute of Crystallograhy, Leninsky Av. 59, 117333, Moscow, Russian Federation
The University of Liverpool, Liverpool L69 3BX, United Kingdom

Доп.точки доступа:
Bayukov, O. A.; Баюков, Олег Артемьевич; Gavrilyuk, A. M.; Zabluda, V. N.; Заблуда, Владимир Николаевич; Lyubutin, I. S.; Ovchinnikov, S. G.; Овчинников, Сергей Геннадьевич; Potseluyko, A. M.; Tomas, M.; Trojan, I. A.; Kharlamova, S. A.
}
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Optical transitions in GdFe3(BO3)(4) and FeBO3 under high pressures / A. G. Gavriliuk [et al.] // J. Phys.: Condens. Matter. - 2005. - Vol. 17: 2nd International Symposium on Physics of Solids Under High Presure Using Nuclear Probes (JUL 22-25, 2004, Cologne, GERMANY), Is. 48. - P. 7599-7604, DOI 10.1088/0953-8984/17/48/011. - Cited References: 8 . - ISSN 0953-8984

РУБ Physics, Condensed Matter
Рубрики:
ELECTRONIC-STRUCTURE
Кл.слова (ненормированные):
Band structure -- Coulomb blockade -- High pressure effects -- Iron compounds -- Magnetic moments -- Mathematical models -- Optical properties -- Relaxation processes -- Coulomb correlations -- Electron correlations -- Insulator-semiconductor transitions -- Optical transitions -- Gadolinium compounds
Аннотация: The optical properties of GdFe3(BO3)(4) under high pressures have been investigated experimentally and theoretically, and the results are compared with the properties of FeBO3. A model of the GdFe3(BO3)(4) band structure is derived within the multielectron model taking into account the strong electron correlations. Crossover of the Fe3+ ion high-spin and low-spin states, collapse of the magnetic moment, the relaxation Coulomb correlations, and insulator-semiconductor transition are predicted. Optical transitions in GdFe3(BO3)(4) and FeBO3 under high pressures were discovered.

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Держатели документа:
RAS, LV Kirensky Phys Inst, Siberian Branch, Krasnoyarsk 660036, Russia
RAS, Inst Crystallog, Moscow 119333, Russia
RAS, Inst High Pressure Phys, Troitsk 142190, Russia
ИФ СО РАН
Institute of Crystallography, RAS, 119333, Moscow, Russian Federation
Institute for High Pressure Physics, RAS, 142190, Troitsk, Russian Federation
L V Kirensky Institute of Physics, Siberian Branch, RAS, Krasnoyarsk, 660036, Russian Federation

Доп.точки доступа:
Gavriliuk, A. G.; Kharlamova, S. A.; Lyubutin, I. S.; Ovchinnikov, S. G.; Овчинников, Сергей Геннадьевич; Potseluyko, A. M.; Trojan, I. A.; Zabluda, V. N.; Заблуда, Владимир Николаевич
}
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10.

Unusual magnetic transitions and nature of magnetic resonance spectra in oxide glasses containing gadolinium / J. . Kliava [et al.] // Phys. Rev. B. - 2005. - Vol. 71, Is. 10. - Ст. 104406, DOI 10.1103/PhysRevB.71.104406. - Cited References: 40 . - ISSN 1098-0121

РУБ Physics, Condensed Matter
Рубрики:
ELECTRON-PARAMAGNETIC-RESONANCE
   BORATE GLASSES
   IONS
   BEHAVIOR
   GD3+
   SPECTROSCOPY
   SYSTEMS
   GD-3+
   FIELD
   SHAPE
Кл.слова (ненормированные):
gadolinium -- glass -- lanthanide -- oxide -- anisotropy -- article -- chemical structure -- concentration response -- electron spin resonance -- energy -- magnetism -- molecular physics -- nanoparticle -- phase transition -- refraction index -- temperature sensitivity
Аннотация: Magnetic susceptibility, electron paramagnetic resonance (EPR), and optical properties have been studied in a glass system {20La(2)O(3)-22Al(2)O(3)-23B(2)O(3)-35(SiO2+GeO2)} with a part of La2O3 substituted by Gd2O3 in different concentrations. Positive Weiss constants have been found in the more heavily doped glasses and ascribed to clustering of Gd3+ ions. Two magnetic phase transitions at 55 and 12 K were detected and ascribed, respectively, to ferromagnetic and antiferromagnetic clusters containing Gd ions. The overall shape of the EPR spectra shows the presence of clustering at the higher Gd contents. At low temperatures the cluster-related resonance signal is altered in shape, indicating an onset of magnetic anisotropy field. This signal is convincingly fitted to superparamagnetic resonance arising from ferromagnetic nanoparticles. The clustering, depending on the Gd concentration, correlates with a significant shift to lower energies of the strong optical absorption band edge, ascribed to a charge transfer transition between Gd ions. A nonmonotonous change of refractive index with the increase of the Gd content indicates changes in the glass matrix and in Gd cluster structure.

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Держатели документа:
Univ Bordeaux 1, CNRS, UMR 5798, CPMOH, F-33405 Talence, France
Bar Ilan Univ, Dept Chem, IL-52900 Ramat Gan, Israel
RAS, SB, LV Kirensky Phys Inst, Krasnoyarsk 660036, Russia
SI Vavilov State Opt Inst, St Petersburg 199034, Russia
Bar Ilan Univ, Dept Phys, IL-52900 Ramat Gan, Israel
ИФ СО РАН
CPMOH, UMR 5798, CNRS-Universite Bordeaux-I, 33405 Talence Cedex, France
Department of Chemistry, Bar-Ilan University, Ramat-Gan 52900, Israel
L. V. Kirensky Institute of Physics SB RAS, Krasnoyarsk 660036, Russian Federation
S. V. Vavilov State Optical Institute, St. Petersburg 199034, Russian Federation
Department of Physics, Bar-Ilan University, Ramat-Gan 52900, Israel

Доп.точки доступа:
Kliava, J.; Malakhovskii, A. V.; Малаховский, Александр Валентинович; Edelman, I. S.; Эдельман, Ирина Самсоновна; Potseluyko, A. M.; Petrakovskaja, E. A.; Петраковская, Элеонора Анатольевна; Melnikova, S.V.; Мельникова, Светлана Владимировна; Zarubina, T. V.; Petrovskii, G.; Bruckental, Y.; Yeshurun, Y.
}
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