We obtain the exact-order estimates of some approximating characteristics for the analogs of Besov classes of periodic functions of several variables (with logarithmic smoothness).
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Translated from Ukrains’kyi Matematychnyi Zhurnal, Vol. 66, No. 4, pp. 493–499, April, 2014.
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Stasyuk, S.A. Approximating Characteristics of the Analogs of Besov Classes with Logarithmic Smoothness. Ukr Math J 66, 553–560 (2014). https://doi.org/10.1007/s11253-014-0952-5
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DOI: https://doi.org/10.1007/s11253-014-0952-5