@article{DE_1987_23_11_a10,
     author = {V. P. Belichenko},
     title = {An expansion of an arbitrary function in an integral in associated spherical functions},
     journal = {Differencialʹnye uravneni\^a},
     pages = {1930--1937},
     publisher = {mathdoc},
     volume = {23},
     number = {11},
     year = {1987},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1987_23_11_a10/}
}