2017
Том 69
№ 6

All Issues

Approximation of conjugate differentiable functions by biharmonic Poisson integrals

Kharkevych Yu. I., Zhyhallo K. M.

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Abstract

We determine the exact values of upper bounds of approximations by biharmonic Poisson integrals on classes of conjugate differentiable functions in uniform and integral metrics.

English version (Springer): Ukrainian Mathematical Journal 61 (2009), no. 3, pp 399-413.

Citation Example: Kharkevych Yu. I., Zhyhallo K. M. Approximation of conjugate differentiable functions by biharmonic Poisson integrals // Ukr. Mat. Zh. - 2009. - 61, № 3. - pp. 333-345.

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