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Translated from Ukrainskii Matematicheskii Zhurnal, Vol. 26, No. 6, pp. 762–774, November–December, 1974.
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Stepanets, A.I. Method of approximating continuous periodic functions. Ukr Math J 26, 624–633 (1974). https://doi.org/10.1007/BF01085254
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DOI: https://doi.org/10.1007/BF01085254