%0 Journal Article %A V. G. Romanovsky %A N. L. Shcheglova %T The integrability conditions for two cubic vector fields %J Differencialʹnye uravneniâ %D 2000 %P 94-97 %V 36 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_2000_36_1_a12/ %G ru %F DE_2000_36_1_a12