@article{1250126459, author = {Minda, David}, title = {The strong form of Ahlfors' lemma}, journal = {Rocky Mountain J. Math.}, volume = {17}, number = {4}, year = {1987}, pages = { 457-462}, language = {en}, url = {http://dml.mathdoc.fr/item/1250126459} }
Minda, David. The strong form of Ahlfors' lemma. Rocky Mountain J. Math., Tome 17 (1987) no. 4, pp. 457-462. http://gdmltest.u-ga.fr/item/1250126459/