@article{1178244915, author = {Hirokawa, Hiroshi}, title = {Riemann-Ces\`aro methods of summability, II}, journal = {Tohoku Math. J. (2)}, volume = {9}, number = {3}, year = {1957}, pages = { 13-26}, language = {en}, url = {http://dml.mathdoc.fr/item/1178244915} }
Hirokawa, Hiroshi. Riemann-Cesàro methods of summability, II. Tohoku Math. J. (2), Tome 9 (1957) no. 3, pp. 13-26. http://gdmltest.u-ga.fr/item/1178244915/