Abstract
We give a review of results on approximate properties of Zygmund sums and their generalizations.
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Institute of Mathematics, Ukrainian Academy of Sciences, Kiev. Translated from Ukrainskii Matematicheskii Zhurnal, Vol. 51, No. 4, pp. 493–518, April, 1999.
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Stepanets, A.I. Approximate properties of the Zygmund method. Ukr Math J 51, 546–576 (1999). https://doi.org/10.1007/BF02591759
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DOI: https://doi.org/10.1007/BF02591759