@article{DE_1985_21_12_a24,
     author = {B. Rashayski and L. M. Berkovich},
     title = {Application of tangent transformations to first-order ordinary differential equations},
     journal = {Differencialʹnye uravneni\^a},
     pages = {2177--2181},
     publisher = {mathdoc},
     volume = {21},
     number = {12},
     year = {1985},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1985_21_12_a24/}
}