@article{1077476227, author = {van der Kulk, W.}, title = {The univalent algebraic transformations of the projective plane}, journal = {Duke Math. J.}, volume = {17}, number = {1}, year = {1950}, pages = { 367-383}, language = {en}, url = {http://dml.mathdoc.fr/item/1077476227} }
van der Kulk, W. The univalent algebraic transformations of the projective plane. Duke Math. J., Tome 17 (1950) no. 1, pp. 367-383. http://gdmltest.u-ga.fr/item/1077476227/