@article{1178245351, author = {Tsuchikura, Tamotsu}, title = {Absolute Ces\`aro summability of orthogonal series}, journal = {Tohoku Math. J. (2)}, volume = {5}, number = {2}, year = {1953}, pages = { 52-66}, language = {en}, url = {http://dml.mathdoc.fr/item/1178245351} }
Tsuchikura, Tamotsu. Absolute Cesàro summability of orthogonal series. Tohoku Math. J. (2), Tome 5 (1953) no. 2, pp. 52-66. http://gdmltest.u-ga.fr/item/1178245351/