@article{DE_1981_17_9_a19,
     author = {V. N. Gorbuzov},
     title = {Some classes of autonomous systems with a particular integral},
     journal = {Differencialʹnye uravneni\^a},
     pages = {1685--1687},
     publisher = {mathdoc},
     volume = {17},
     number = {9},
     year = {1981},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1981_17_9_a19/}
}