@article{1077477370, author = {Royster, W. C.}, title = {Convexity and starlikeness of analytic functions}, journal = {Duke Math. J.}, volume = {19}, number = {1}, year = {1952}, pages = { 447-457}, language = {en}, url = {http://dml.mathdoc.fr/item/1077477370} }
Royster, W. C. Convexity and starlikeness of analytic functions. Duke Math. J., Tome 19 (1952) no. 1, pp. 447-457. http://gdmltest.u-ga.fr/item/1077477370/