@article{GDZPPN002391910, title = {Summability of subclasses of convergent.}, journal = {Mathematische Zeitschrift}, volume = {78}, year = {1962}, pages = {250-253}, zbl = {0109.28601}, url = {http://dml.mathdoc.fr/item/GDZPPN002391910} }
Cowling, Vincent F. Summability of subclasses of convergent.. Mathematische Zeitschrift, Tome 78 (1962) pp. 250-253. http://gdmltest.u-ga.fr/item/GDZPPN002391910/