Voir la notice de l'article provenant de la source European Digital Mathematics Library
@article{PORMA_1999__56_3_48412, author = {Sulaiman, W.T.}, title = {Characterization for relations on some summability methods.}, journal = {Portugaliae mathematica}, pages = {273--280}, publisher = {mathdoc}, volume = {56}, number = {3}, year = {1999}, zbl = {0937.40005}, language = {en}, url = {http://geodesic.mathdoc.fr/item/PORMA_1999__56_3_48412/} }
Sulaiman, W.T. Characterization for relations on some summability methods.. Portugaliae mathematica, Tome 56 (1999) no. 3, pp. 273-280. http://geodesic.mathdoc.fr/item/PORMA_1999__56_3_48412/