@article{DE_1971_7_3_a9,
     author = {Sh. R. Sharipov},
     title = {A classification of integral varieties of a homogeneous three-dimensional system by the structure of the limit sets},
     journal = {Differencialʹnye uravneni\^a},
     pages = {461--470},
     publisher = {mathdoc},
     volume = {7},
     number = {3},
     year = {1971},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1971_7_3_a9/}
}