@article{1028998067, author = {Young, G. S.}, title = {A generalization of Bagemihl's theorem of ambiguous points.}, journal = {Michigan Math. J.}, volume = {5}, number = {1}, year = {1958}, pages = { 223-227}, language = {en}, url = {http://dml.mathdoc.fr/item/1028998067} }
Young, G. S. A generalization of Bagemihl's theorem of ambiguous points.. Michigan Math. J., Tome 5 (1958) no. 1, pp. 223-227. http://gdmltest.u-ga.fr/item/1028998067/