%0 Journal Article %A Yu. V. Churin %T Simple exceptional sets of nonautonomous quasihomogeneous systems %J Differencialʹnye uravneniâ %D 1973 %P 1073-1084 %V 9 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1973_9_6_a9/ %G ru %F DE_1973_9_6_a9