The best polynomial approximation of functions analytic in the unit circle
English version (Springer): Ukrainian Mathematical Journal 42 (1990), no. 6, pp 740-744.
Citation Example: Vakarchuk S. B. The best polynomial approximation of functions analytic in the unit circle // Ukr. Mat. Zh. - 1990. - 42, № 6. - pp. 838–843.
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