We prove several propositions on λ‐summable series by Cesàro method (C, 1) or by weighted mean methods N, which are also often called Riesz methods P = (R, pn).
Meronen, O., & Tammeraid, I. (2010). Several theorems on λ–summable series. Mathematical Modelling and Analysis, 15(1), 97-102. https://doi.org/10.3846/1392-6292.2010.15.97-102
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