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@article{DAN_1958_123_2_a7, author = {B. M. Levitan}, title = {Converse {Lie} theorems for general operators of generalized translation}, journal = {Doklady Akademii Nauk}, pages = {243--245}, publisher = {mathdoc}, volume = {123}, number = {2}, year = {1958}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1958_123_2_a7/} }
B. M. Levitan. Converse Lie theorems for general operators of generalized translation. Doklady Akademii Nauk, Tome 123 (1958) no. 2, pp. 243-245. http://geodesic.mathdoc.fr/item/DAN_1958_123_2_a7/