@article{DE_1981_17_8_a13,
     author = {S. A. Gabov},
     title = {Applications of angular potential. {On} the solution of a problem of {Poincar\'e}},
     journal = {Differencialʹnye uravneni\^a},
     pages = {1483--1486},
     publisher = {mathdoc},
     volume = {17},
     number = {8},
     year = {1981},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1981_17_8_a13/}
}