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@article{IVM_2000_9_a5, author = {E. N. Sosov}, title = {On the $\varepsilon$-core of a~bounded set in a~special metric space}, journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika}, pages = {34--37}, publisher = {mathdoc}, number = {9}, year = {2000}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/IVM_2000_9_a5/} }
E. N. Sosov. On the $\varepsilon$-core of a~bounded set in a~special metric space. Izvestiâ vysših učebnyh zavedenij. Matematika, no. 9 (2000), pp. 34-37. http://geodesic.mathdoc.fr/item/IVM_2000_9_a5/