@article{1102977726, author = {Kim, W. J.}, title = {The Schwarzian derivative and multivalence.}, journal = {Pacific J. Math.}, volume = {31}, number = {3}, year = {1969}, pages = { 717-724}, language = {en}, url = {http://dml.mathdoc.fr/item/1102977726} }
Kim, W. J. The Schwarzian derivative and multivalence.. Pacific J. Math., Tome 31 (1969) no. 3, pp. 717-724. http://gdmltest.u-ga.fr/item/1102977726/