@article{10_1017_S2040618500033918, author = {Borwein, D.}, title = {An extension of a theorem on the equivalence between absolute {Rieszian} and absolute {Ces\`aro} summability}, journal = {Glasgow mathematical journal}, pages = {81--83}, year = {1959}, volume = {4}, number = {2}, doi = {10.1017/S2040618500033918}, url = {http://geodesic.mathdoc.fr/articles/10.1017/S2040618500033918/} }