2017
Том 69
№ 9

All Issues

Approximation of Differentiable Periodic Functions by Their Biharmonic Poisson Integrals

Kharkevych Yu. I., Zhyhallo K. M.

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Abstract

We determine the exact values and asymptotic decompositions of upper bounds of approximations by biharmonic Poisson integrals on classes of periodic differentiable functions.

English version (Springer): Ukrainian Mathematical Journal 54 (2002), no. 9, pp 1462-1470.

Citation Example: Kharkevych Yu. I., Zhyhallo K. M. Approximation of Differentiable Periodic Functions by Their Biharmonic Poisson Integrals // Ukr. Mat. Zh. - 2002. - 54, № 9. - pp. 1213-1219.

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