@article{DE_1992_28_12_a23,
     author = {P. G. Todorov and G. A. Krystev},
     title = {Some cases of the reduction and generalization of the {Abel} differential equation of the second kind},
     journal = {Differencialʹnye uravneni\^a},
     pages = {2178--2179},
     publisher = {mathdoc},
     volume = {28},
     number = {12},
     year = {1992},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1992_28_12_a23/}
}