Voir la notice de l'article provenant de la source Math-Net.Ru
@article{DAN_1961_137_2_a3, author = {S. P. Geisberg}, title = {Certain properties of summation methods}, journal = {Doklady Akademii Nauk}, pages = {265--267}, publisher = {mathdoc}, volume = {137}, number = {2}, year = {1961}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1961_137_2_a3/} }
S. P. Geisberg. Certain properties of summation methods. Doklady Akademii Nauk, Tome 137 (1961) no. 2, pp. 265-267. http://geodesic.mathdoc.fr/item/DAN_1961_137_2_a3/