Abstract
We obtain asymptotic equalities for upper bounds of approximations of functions from the classes C β, ∞ ψ and L β, 1 ψ by Weierstrass integrals.
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Translated from Ukrains’kyi Matematychnyi Zhurnal, Vol. 59, No. 7, pp. 953–978, July, 2007.
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Kharkevych, Y.I., Kal’chuk, I.V. Approximation of (ψ, β)-differentiable functions by Weierstrass integrals. Ukr Math J 59, 1059–1087 (2007). https://doi.org/10.1007/s11253-007-0069-1
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DOI: https://doi.org/10.1007/s11253-007-0069-1