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@article{IVM_1991_4_a14, author = {P. I. Kovalev}, title = {Parametrizable subsets of {Banach} spaces}, journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika}, pages = {83--84}, publisher = {mathdoc}, number = {4}, year = {1991}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/IVM_1991_4_a14/} }
P. I. Kovalev. Parametrizable subsets of Banach spaces. Izvestiâ vysših učebnyh zavedenij. Matematika, no. 4 (1991), pp. 83-84. http://geodesic.mathdoc.fr/item/IVM_1991_4_a14/