@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/}
}