@article{1183424120, author = {Osgood, William F.}, title = {Singular points of analytic transformations}, journal = {Bull. Amer. Math. Soc.}, volume = {24}, number = {3}, year = {1917}, language = {en}, url = {http://dml.mathdoc.fr/item/1183424120} }
Osgood, William F. Singular points of analytic transformations. Bull. Amer. Math. Soc., Tome 24 (1917) no. 3, . http://gdmltest.u-ga.fr/item/1183424120/