@article{1077492072, author = {Boas, Jr., R. P.}, title = {Univalent derivatives of entire functions}, journal = {Duke Math. J.}, volume = {6}, number = {1}, year = {1940}, pages = { 719-721}, language = {en}, url = {http://dml.mathdoc.fr/item/1077492072} }
Boas, Jr., R. P. Univalent derivatives of entire functions. Duke Math. J., Tome 6 (1940) no. 1, pp. 719-721. http://gdmltest.u-ga.fr/item/1077492072/