Voir la notice de l'article provenant de la source Math-Net.Ru
@article{DE_1973_9_3_a8, author = {V. F. Filiptsov}, title = {On the question of the algebraic integrals of a certain system of differential equations}, journal = {Differencialʹnye uravneni\^a}, pages = {469--476}, publisher = {mathdoc}, volume = {9}, number = {3}, year = {1973}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1973_9_3_a8/} }
V. F. Filiptsov. On the question of the algebraic integrals of a certain system of differential equations. Differencialʹnye uravneniâ, Tome 9 (1973) no. 3, pp. 469-476. http://geodesic.mathdoc.fr/item/DE_1973_9_3_a8/