@article{GDZPPN002401509,
title = {Strong N\"orlund Summability.},
journal = {Mathematische Zeitschrift},
volume = {105},
year = {1968},
pages = {94-111},
zbl = {0157.38001},
url = {http://dml.mathdoc.fr/item/GDZPPN002401509}
}
Borwein, D.; Cass, F.P. Strong Nörlund Summability.. Mathematische Zeitschrift, Tome 105 (1968) pp. 94-111. http://gdmltest.u-ga.fr/item/GDZPPN002401509/