@article{1178243767,
author = {Lorentz, George G. and Zeller, Karl},
title = {Strong and ordinary summability},
journal = {Tohoku Math. J. (2)},
volume = {15},
number = {4},
year = {1963},
pages = { 315-321},
language = {en},
url = {http://dml.mathdoc.fr/item/1178243767}
}
Lorentz, George G.; Zeller, Karl. Strong and ordinary summability. Tohoku Math. J. (2), Tome 15 (1963) no. 4, pp. 315-321. http://gdmltest.u-ga.fr/item/1178243767/