%0 Journal Article %A N. I. Vulpe %T Polynomial basis of centroaffine comitants of a homogeneous cubic differential system %J Differencialʹnye uravneniâ %D 1981 %P 1682-1684 %V 17 %N 9 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1981_17_9_a18/ %G ru %F DE_1981_17_9_a18