We obtain an asymptotic equality for the upper bounds of deviations of Fejér means in the Zygmund class of functions holomorphic in the unit disk.
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Translated from Ukrains’kyi Matematychnyi Zhurnal, Vol. 64, No. 8, pp. 1148–1152, August, 2012.
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Savchuk, V.V., Savchuk, M.V. Approximation of holomorphic functions of Zygmund class by Fejér means. Ukr Math J 64, 1308–1313 (2013). https://doi.org/10.1007/s11253-013-0718-5
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DOI: https://doi.org/10.1007/s11253-013-0718-5