@article{1183510990, author = {Zorn, Max A.}, title = {Note on power series}, journal = {Bull. Amer. Math. Soc.}, volume = {53}, number = {12}, year = {1947}, pages = { 791-792}, language = {en}, url = {http://dml.mathdoc.fr/item/1183510990} }
Zorn, Max A. Note on power series. Bull. Amer. Math. Soc., Tome 53 (1947) no. 12, pp. 791-792. http://gdmltest.u-ga.fr/item/1183510990/