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@article{DAN_1972_204_4_a3, author = {I. M. Kozlovskii}, title = {Two theorems on metric spaces}, journal = {Doklady Akademii Nauk}, pages = {784--787}, publisher = {mathdoc}, volume = {204}, number = {4}, year = {1972}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1972_204_4_a3/} }
I. M. Kozlovskii. Two theorems on metric spaces. Doklady Akademii Nauk, Tome 204 (1972) no. 4, pp. 784-787. http://geodesic.mathdoc.fr/item/DAN_1972_204_4_a3/