%0 Journal Article %A Yu. V. Churin %T A criterion for the simple vanishing of the periodic solution of a quasihomogeneous system %J Differencialʹnye uravneniâ %D 1975 %P 937-939 %V 11 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1975_11_5_a22/ %G ru %F DE_1975_11_5_a22