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@article{ARM_1976__12_2_a0, author = {Vymazalov\'a, Hana}, title = {On some properties of proximity in metric spaces}, journal = {Archivum mathematicum}, pages = {63--66}, publisher = {mathdoc}, volume = {12}, number = {2}, year = {1976}, mrnumber = {0433394}, zbl = {0342.54023}, language = {en}, url = {http://geodesic.mathdoc.fr/item/ARM_1976__12_2_a0/} }
Vymazalová, Hana. On some properties of proximity in metric spaces. Archivum mathematicum, Tome 12 (1976) no. 2, pp. 63-66. http://geodesic.mathdoc.fr/item/ARM_1976__12_2_a0/