@article{00894098, title = {A new criterion for starlike functions.}, journal = {International Journal of Mathematics and Mathematical Sciences}, volume = {19}, year = {1996}, pages = {613-614}, doi = {10.1155/S0161171296000865}, zbl = {0849.30007}, language = {en}, url = {http://dml.mathdoc.fr/item/00894098} }
Yi, Ling; Ding, Shusen. A new criterion for starlike functions.. International Journal of Mathematics and Mathematical Sciences, Tome 19 (1996) pp. 613-614. doi : 10.1155/S0161171296000865. http://gdmltest.u-ga.fr/item/00894098/