2019
Том 71
№ 11

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The best trigonometric and bilinear approximations for functions of many variables from the classes $B^r_{p, \theta}$. II

Romanyuk A. S.

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Abstract

The order estimates are obtained for the best trigonometric and bilinear approximations of the classes $B^r_{p, \theta}$ of functions of many variables with respect to the metric $L_q$ when $p$ and $q$ satisfy certain relations.

English version (Springer): Ukrainian Mathematical Journal 45 (1993), no. 10, pp 1583-1597.

Citation Example: Romanyuk A. S. The best trigonometric and bilinear approximations for functions of many variables from the classes $B^r_{p, \theta}$. II // Ukr. Mat. Zh. - 1993. - 45, № 10. - pp. 1411–1423.

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