Publications in Math-Net.Ru
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Extension of functions with preservation of smoothness
Trudy Mat. Inst. Steklov., 180 (1987), 60–61
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A linear extension operator for a space of smooth functions defined on a closed subset in $\mathbf{R}^n$
Dokl. Akad. Nauk SSSR, 280:2 (1985), 268–272
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Lipschitz sections of set-valued mappings and traces of functions
from the Zygmund class on an arbitrary compactum
Dokl. Akad. Nauk SSSR, 276:3 (1984), 559–562
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Extension theorems with preservation of local approximation properties of functions in the nonisotropic case
Zap. Nauchn. Sem. LOMI, 113 (1981), 247–252
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Analytic properties of a positively directed symplectic curve in the neighborhood of a branch point of its spectrum
Dokl. Akad. Nauk SSSR, 183:6 (1968), 1273–1275
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A contribution to the theory of standard systems of differential equations of positive type with periodic coefficients
Dokl. Akad. Nauk SSSR, 168:5 (1966), 1019–1022
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