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Translated from Matematicheskie Zametki, Vol. 1, No. 2, pp. 155–162, February, 1967.
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Taikov, L.V. On the best approximation in the mean of certain classes of analytic functions. Mathematical Notes of the Academy of Sciences of the USSR 1, 104–109 (1967). https://doi.org/10.1007/BF01268058
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DOI: https://doi.org/10.1007/BF01268058