Widths of certain classes of analytic functions in the Hardy space H2
English version (Springer): Ukrainian Mathematical Journal 41 (1989), no. 6, pp 686-689.
Citation Example: Vakarchuk S. B. Widths of certain classes of analytic functions in the Hardy space H2 // Ukr. Mat. Zh. - 1989. - 41, № 6. - pp. 799-803.
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