@article{1195525743, author = {Izumi, Shin-ichi}, title = {Some trigonometrical series, XII}, journal = {Proc. Japan Acad.}, volume = {31}, number = {9}, year = {1955}, pages = { 207-209}, language = {en}, url = {http://dml.mathdoc.fr/item/1195525743} }
Izumi, Shin-ichi. Some trigonometrical series, XII. Proc. Japan Acad., Tome 31 (1955) no. 9, pp. 207-209. http://gdmltest.u-ga.fr/item/1195525743/