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Scientific notes and problems
A sufficient condition for the summability of a series by the $(\varphi_n)$-method
N. A. Davydov
Received: 07.04.1962
Citation:
N. A. Davydov, “A sufficient condition for the summability of a series by the $(\varphi_n)$-method”, Russian Math. Surveys, 19:5 (1964)
Linking options:
https://www.mathnet.ru/eng/rm6249 https://www.mathnet.ru/eng/rm/v19/i5/p115
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