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@article{DAN_1961_141_1_a3, author = {L. P. Vlasov}, title = {Chebyshev sets in {Banach} spaces}, journal = {Doklady Akademii Nauk}, pages = {19--20}, publisher = {mathdoc}, volume = {141}, number = {1}, year = {1961}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1961_141_1_a3/} }
L. P. Vlasov. Chebyshev sets in Banach spaces. Doklady Akademii Nauk, Tome 141 (1961) no. 1, pp. 19-20. http://geodesic.mathdoc.fr/item/DAN_1961_141_1_a3/