@article{DAN_1958_118_2_a1,
     author = {N. Ya. Vilenkin},
     title = {The matrix elements of irreducible unitary representations of a group of {Lobachevsky} space motions and the},
     journal = {Doklady Akademii Nauk},
     pages = {219--222},
     year = {1958},
     volume = {118},
     number = {2},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1958_118_2_a1/}
}