Voir la notice de l'article provenant de la source Math-Net.Ru
@article{DE_2000_36_1_a12, author = {V. G. Romanovsky and N. L. Shcheglova}, title = {The integrability conditions for two cubic vector fields}, journal = {Differencialʹnye uravneni\^a}, pages = {94--97}, publisher = {mathdoc}, volume = {36}, number = {1}, year = {2000}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_2000_36_1_a12/} }
V. G. Romanovsky; N. L. Shcheglova. The integrability conditions for two cubic vector fields. Differencialʹnye uravneniâ, Tome 36 (2000) no. 1, pp. 94-97. http://geodesic.mathdoc.fr/item/DE_2000_36_1_a12/