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Translated from Ukrainskii Matematicheskii Zhurnal, Vol. 19, No. 2, pp. 104–109, March–April, 1967.
The author expresses his deep gratitude to V. K. Dzyadyk for the formulation of the problem and for useful discussion of the results.
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Belyi, V.I. The problem of the best linear methods for approximating functions which are analytic in the unit circle. Ukr Math J 19, 216–220 (1967). https://doi.org/10.1007/BF01086834
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DOI: https://doi.org/10.1007/BF01086834