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@article{DAN_1964_155_2_a0, author = {A. Arkhangel'skii}, title = {On factor maps of metric spaces}, journal = {Doklady Akademii Nauk}, pages = {247--250}, publisher = {mathdoc}, volume = {155}, number = {2}, year = {1964}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1964_155_2_a0/} }
A. Arkhangel'skii. On factor maps of metric spaces. Doklady Akademii Nauk, Tome 155 (1964) no. 2, pp. 247-250. http://geodesic.mathdoc.fr/item/DAN_1964_155_2_a0/