Best Orthogonal Trigonometric Approximations of Classes of Functions of Many Variables L, p

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Ukrainian Mathematical Journal, Vol. 53, Iss. 1, 2001-01 ,pp. : 26-34

Springer Publishing Company

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Best M-Term Trigonometric Approximations of the Classes B_{p,\theta}^\Omega of Functions of Many Variables

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Best Approximations and Kolmogorov and Trigonometric Widths of the Classes B p, Ω of Periodic Functions of Many Variables

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Estimates of the Best M-Term Trigonometric Approximations of the Classes L, p of Periodic Functions of Many Variables in the Space Lq

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Ukrainian Mathematical Journal, Vol. 52, Iss. 7, 2000-07 ,pp. : 1029-1039

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Best approximations of the classes B p, r of periodic functions of many variables in uniform metric

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