@article{1178241488, author = {Bagemihl, Frederick}, title = {Maximal sets of ambiguous points}, journal = {Tohoku Math. J. (2)}, volume = {24}, number = {4}, year = {1972}, pages = { 469-472}, language = {en}, url = {http://dml.mathdoc.fr/item/1178241488} }
Bagemihl, Frederick. Maximal sets of ambiguous points. Tohoku Math. J. (2), Tome 24 (1972) no. 4, pp. 469-472. http://gdmltest.u-ga.fr/item/1178241488/