@article{DE_1971_7_7_a7,
     author = {M. B. Kapilevich},
     title = {Transformation formulae of radial type},
     journal = {Differencialʹnye uravneni\^a},
     pages = {1235--1249},
     year = {1971},
     volume = {7},
     number = {7},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1971_7_7_a7/}
}