@article{1102905496, author = {Gittings, Raymond F.}, title = {Finite-to-one open maps of generalized metric spaces.}, journal = {Pacific J. Math.}, volume = {61}, number = {2}, year = {1975}, pages = { 33-41}, language = {en}, url = {http://dml.mathdoc.fr/item/1102905496} }
Gittings, Raymond F. Finite-to-one open maps of generalized metric spaces.. Pacific J. Math., Tome 61 (1975) no. 2, pp. 33-41. http://gdmltest.u-ga.fr/item/1102905496/