We study some problems of approximation of functions by the linear methods of summation of their Fourier–Laplace series.
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Translated from Ukrains’kyi Matematychnyi Zhurnal, Vol. 66, No. 11, pp. 1498–1511, November, 2014.
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Lasuriya, R.A. Approximation of Functions on the Sphere by Linear Methods. Ukr Math J 66, 1680–1695 (2015). https://doi.org/10.1007/s11253-015-1044-x
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DOI: https://doi.org/10.1007/s11253-015-1044-x