@article{DE_1975_11_7_a19,
     author = {T. A. Druzhkova},
     title = {The order of an algebraic integral curve of a differential equation},
     journal = {Differencialʹnye uravneni\^a},
     pages = {1338},
     year = {1975},
     volume = {11},
     number = {7},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1975_11_7_a19/}
}