@article{DE_1984_20_8_a32,
     author = {A. M. Shikhvatov},
     title = {A coordinate system for closed shells of revolution},
     journal = {Differencialʹnye uravneni\^a},
     pages = {1459--1461},
     year = {1984},
     volume = {20},
     number = {8},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1984_20_8_a32/}
}