Voir la notice de l'article provenant de la source European Digital Mathematics Library
@article{MZ_1958__69_169753, author = {M.S. Ramanujan}, title = {On {Products} of {Summability} {Methods.}}, journal = {Mathematische Zeitschrift}, pages = {423--428}, publisher = {mathdoc}, volume = {69}, year = {1958}, zbl = {0083.04602}, url = {http://geodesic.mathdoc.fr/item/MZ_1958__69_169753/} }
M.S. Ramanujan. On Products of Summability Methods.. Mathematische Zeitschrift, Tome 69 (1958), pp. 423-428. http://geodesic.mathdoc.fr/item/MZ_1958__69_169753/