Derginin Tarandığı İndeksler:Science Citation Index Expanded (SCI-EXPANDED), Scopus
Uşak Üniversitesi Adresli:Hayır
Özet
We obtain sufficient conditions on a nonnegative lower triangular matrix A and a sequence λn for the series ∑ an λn /na nn to be absolutely summable of order k<1 by A.