23 citations to https://www.mathnet.ru/rus/im1612
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Belinskii E., “the Approximation of Periodic-Functions of Several-Variables By Floating System of Exponents and the Trigonometric Widths”, 284, no. 6, 1985, 1294–1297
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Temliakov V., “on the Approximation of Periodic-Functions of Many Variables”, 279, no. 2, 1984, 301–305
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С. М. Никольский, “П. С. Александров и А. Н. Колмогоров в Днепропетровске”, УМН, 38:4(232) (1983), 37–49 ; S. M. Nikol'skii, “Aleksandrov and Kolmogorov in Dnepropetrovsk”, Russian Math. Surveys, 38:4 (1983), 41–55