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@article{DAN_1971_199_3_a6, author = {I. M. Leibo}, title = {On closed mappings of infinite-dimensional spaces}, journal = {Doklady Akademii Nauk}, pages = {533--535}, publisher = {mathdoc}, volume = {199}, number = {3}, year = {1971}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1971_199_3_a6/} }
I. M. Leibo. On closed mappings of infinite-dimensional spaces. Doklady Akademii Nauk, Tome 199 (1971) no. 3, pp. 533-535. http://geodesic.mathdoc.fr/item/DAN_1971_199_3_a6/