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Translated from Ukrainskii Matematicheskii Zhurnal, Vol. 41, No. 6, pp. 808–814, June, 1989.
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Pachulia, N.L. Strong summability of Fourier series of (gy, β)-differentiable functions. Ukr Math J 41, 694–699 (1989). https://doi.org/10.1007/BF01060572
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DOI: https://doi.org/10.1007/BF01060572