@article{1183503901, author = {Daum, John A.}, title = {On certain basic series}, journal = {Bull. Amer. Math. Soc.}, volume = {47}, number = {11}, year = {1941}, pages = { 781-784}, language = {en}, url = {http://dml.mathdoc.fr/item/1183503901} }
Daum, John A. On certain basic series. Bull. Amer. Math. Soc., Tome 47 (1941) no. 11, pp. 781-784. http://gdmltest.u-ga.fr/item/1183503901/