@article{1178245346, author = {Izumi, Shin-ichi}, title = {Some trigonometrical series, IV}, journal = {Tohoku Math. J. (2)}, volume = {5}, number = {2}, year = {1953}, pages = { 18-21}, language = {en}, url = {http://dml.mathdoc.fr/item/1178245346} }
Izumi, Shin-ichi. Some trigonometrical series, IV. Tohoku Math. J. (2), Tome 5 (1953) no. 2, pp. 18-21. http://gdmltest.u-ga.fr/item/1178245346/