@article{DAN_1969_188_6_a11,
     author = {N. R. Sibgatullin},
     title = {Representation of functions in the form of a superposition of waves in two- and three-dimensional {Lobacevskii} spaces},
     journal = {Doklady Akademii Nauk},
     pages = {1244--1247},
     year = {1969},
     volume = {188},
     number = {6},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1969_188_6_a11/}
}