TY - JOUR AU - N. I. Vulpe TI - Polynomial basis of centroaffine comitants of a homogeneous cubic differential system JO - Differencialʹnye uravneniâ PY - 1981 SP - 1682 EP - 1684 VL - 17 IS - 9 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1981_17_9_a18/ LA - ru ID - DE_1981_17_9_a18 ER -