Abstract
We obtain pointwise estimates for the coconvex approximation of functions of the class W r, r > 3.
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Translated from Ukrains’kyi Matematychnyi Zhurnal, Vol. 57, No. 1, pp. 47–59, January, 2005.
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Dzyubenko, H.A., Zalizko, V.D. Pointwise Estimates for the Coconvex Approximation of Differentiable Functions. Ukr Math J 57, 52–69 (2005). https://doi.org/10.1007/s11253-005-0171-1
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DOI: https://doi.org/10.1007/s11253-005-0171-1