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@article{DAN_1979_244_4_a3, author = {I. V. Emelin and M. A. Krasnosel'skii}, title = {On the theory of ill-posed problems}, journal = {Doklady Akademii Nauk}, pages = {805--808}, publisher = {mathdoc}, volume = {244}, number = {4}, year = {1979}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1979_244_4_a3/} }
I. V. Emelin; M. A. Krasnosel'skii. On the theory of ill-posed problems. Doklady Akademii Nauk, Tome 244 (1979) no. 4, pp. 805-808. http://geodesic.mathdoc.fr/item/DAN_1979_244_4_a3/