• Journal of applied mathematics & informatics
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• 제40권1_2호
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• pp.283-288
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• 2022

In this paper we characterize the sets of summability factors (|C, 0|_k, |R, p_n|_s) and (|R, p_n|_k, |C, 0|_s), 1 < k ≤ s < ∞, which also extends some known results.