Publications in Math-Net.Ru
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On the question of uniform approximation of functions by positive linear operators
Dokl. Akad. Nauk SSSR, 172:4 (1967), 787–788
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On certain questions of the uniform approximation of continuous functions by means of functions from interpolation classes
Izv. Akad. Nauk SSSR Ser. Mat., 16:1 (1952), 75–100
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Approximation of functions satisfying a Lipschitz condition by means of interpolation polynomials with double points of interpolation
Uspekhi Mat. Nauk, 5:4(38) (1950), 156–161
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Поправки к статье “К вопросу о равномерном приближении функций положительными линейными операторами”
(ДАН, т. 172, № 4, 1967 г.)
Dokl. Akad. Nauk SSSR, 177:6 (1967), 750
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