%0 Journal Article %A V. M. Chebanu %T A minimal polynomial base of comitants of a cubic differential system %J Differencialʹnye uravneniâ %D 1985 %P 541-543 %V 21 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1985_21_3_a29/ %G ru %F DE_1985_21_3_a29