@article{DE_1966_2_3_a6,
     author = {A. N. Berlinskii},
     title = {A qualitative investigation of the differential equation $\frac{dy}{dx}=\frac{y+a_0x^2+a_1xy+a_2y^2}{x+b_0x^2+b_1xy+b_2y^2}$},
     journal = {Differencialʹnye uravneni\^a},
     pages = {353--360},
     publisher = {mathdoc},
     volume = {2},
     number = {3},
     year = {1966},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1966_2_3_a6/}
}