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@article{DAN_1961_140_5_a10, author = {L. S. Rakovshchik}, title = {Some propositions on regularization of linear operators in {Banach} spaces}, journal = {Doklady Akademii Nauk}, pages = {1023--1025}, publisher = {mathdoc}, volume = {140}, number = {5}, year = {1961}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1961_140_5_a10/} }
L. S. Rakovshchik. Some propositions on regularization of linear operators in Banach spaces. Doklady Akademii Nauk, Tome 140 (1961) no. 5, pp. 1023-1025. http://geodesic.mathdoc.fr/item/DAN_1961_140_5_a10/