@article{1178245232, author = {Izumi, Shin-ichi}, title = {Some trigonometrical series, IX}, journal = {Tohoku Math. J. (2)}, volume = {6}, number = {2-3}, year = {1954}, pages = { 30-34}, language = {en}, url = {http://dml.mathdoc.fr/item/1178245232} }
Izumi, Shin-ichi. Some trigonometrical series, IX. Tohoku Math. J. (2), Tome 6 (1954) no. 2-3, pp. 30-34. http://gdmltest.u-ga.fr/item/1178245232/