@article{DAN_1957_113_1_a2,
     author = {N. Ya. Vilenkin},
     title = {The matrix elements of irreducible unitary representations of the group of real orthogonal matrices and group of {Euclidean} 
},
     journal = {Doklady Akademii Nauk},
     pages = {16--19},
     publisher = {mathdoc},
     volume = {113},
     number = {1},
     year = {1957},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1957_113_1_a2/}
}