Geodesic
On the $\varepsilon$-core of a bounded set in a special metric space
Izvestiâ vysših učebnyh zavedenij. Matematika, no. 9 (2000), pp. 34-37 
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/
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     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},
     year = {2000},
     number = {9},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_2000_9_a5/}
}
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Voir la notice de l'article provenant de la source Math-Net.Ru

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