Voir la notice de l'article provenant de la source Math-Net.Ru
@article{DAN_1967_174_1_a10, author = {M. M. Choban}, title = {Finite-to-one open maps}, journal = {Doklady Akademii Nauk}, pages = {41--44}, publisher = {mathdoc}, volume = {174}, number = {1}, year = {1967}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1967_174_1_a10/} }
M. M. Choban. Finite-to-one open maps. Doklady Akademii Nauk, Tome 174 (1967) no. 1, pp. 41-44. http://geodesic.mathdoc.fr/item/DAN_1967_174_1_a10/