Mursaleen,Savaş, E.2025-05-102025-05-1020030081-690610.1556/SScMath.40.2003.1-2.182-s2.0-2442430854https://doi.org/10.1556/SScMath.40.2003.1-2.18https://hdl.handle.net/20.500.14720/6369In this paper we define and characterize the almost regular matrices for double sequences and further we apply these matrices to establish a core theorem. © 2003 Akadémiai Kiadó, Budapest.eninfo:eu-repo/semantics/closedAccessAlmost ConvergenceAlmost RegularityDouble SequencesKnopp'S CoreM-CorePringsheim'S ConvergencePringsheim'S CoreArticle401-2Q3Q2205212WOS:000184581800018