@article{DAN_1958_123_3_a3,
     author = {B. M. Levitan},
     title = {Adjoined operators of generalized translation},
     journal = {Doklady Akademii Nauk},
     pages = {401--404},
     publisher = {mathdoc},
     volume = {123},
     number = {3},
     year = {1958},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1958_123_3_a3/}
}