Approximation of the BΩ(1,θ) of periodic functions of multiple variables in the L∞ von O. V. Fedunyk-Yaremchuk

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Estimates of orthoprojection widths of classes BΩ∞,θ of periodic functions of several variables with given majorant of the mixed moduli of continuity von A. F. Konohrai, O. V. Fedunyk

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Approximation characteristics of the Nikol'sky-Besov-type classes of periodic single- and multivariable functions in the B_ von S. B. Hembarska, O. V. Fedunyk-Yaremchuk

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Bilinear approximations of the classes S(Щ (с,и))B of periodic functions of many variables von K. V. Solich, O. V. Fedunyk-Yaremchuk

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Estimates of approximative characteristics of the classes BЩp,и of periodic functions of many variables with given majorant of mixed continuity moduli in the space L∞ von O. V. Fedunyk-Yaremchuk, K. V. Solich

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Estimates of orthoprojection widths of classes BΩ(p,θ) of periodic functions of several variables with given majorant of mixed moduli of continuity von A. F. Konohrai, O. V. Fedunyk-Yaremchuk

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Estimates of approximation characteristics of classes BΩ(p,θ) of periodic functions of several variables with given majorant of the mixed modulo of continuity von A. F. Konohrai, O. V. Fedunyk-Yaremchuk

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Characteristics of the linear and nonlinear approximations of the Nikol'skii-Besov-type classes of periodic functions of several variables von S. B. Hembarska, I. A. Romaniuk, O. V. Fedunyk-Yaremchuk

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