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@article{DAN_1972_207_2_a0, author = {Yu. E. Anikonov}, title = {On operator equations of the first kind}, journal = {Doklady Akademii Nauk}, pages = {257--258}, publisher = {mathdoc}, volume = {207}, number = {2}, year = {1972}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1972_207_2_a0/} }
Yu. E. Anikonov. On operator equations of the first kind. Doklady Akademii Nauk, Tome 207 (1972) no. 2, pp. 257-258. http://geodesic.mathdoc.fr/item/DAN_1972_207_2_a0/