Some convergence tests for Fourier series with respect to Vilenkin system in the case of unbounded $p_k$
Vestnik Moskovskogo universiteta. Matematika, mehanika, no. 5 (2019), pp. 42-44
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Series with respect to a system of characters of a zero-dimensional compact commutative group are considered. A generalization of the analogue of Dini test and its corollary obtained earlier for systems determined by bounded sequencees $\{p_k\}$ are proved.
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