Savaş, E.2025-05-102025-05-1020060049-47042-s2.0-85046837621https://hdl.handle.net/20.500.14720/18087We obtain sufficient conditions for the series Σ anλn to be absolutely summable of order k by a triangular matrix. © 2003, EUT Edizioni Universita di Trieste.eninfo:eu-repo/semantics/closedAccessAbsolute SummabilityCesáro MatrixSummability FactorWeighted Mean MatrixArticle38N/AQ46572