TY - JOUR AU - Yu. V. Churin TI - A criterion for the simple vanishing of the periodic solution of a quasihomogeneous system JO - Differencialʹnye uravneniâ PY - 1975 SP - 937 EP - 939 VL - 11 IS - 5 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1975_11_5_a22/ LA - ru ID - DE_1975_11_5_a22 ER -