@article{DE_1971_7_6_a22,
     author = {B. A. Razzakova},
     title = {An investigation of the integral curves of a homogeneous equation in the large on the whole plane},
     journal = {Differencialʹnye uravneni\^a},
     pages = {1126--1127},
     publisher = {mathdoc},
     volume = {7},
     number = {6},
     year = {1971},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1971_7_6_a22/}
}