%0 Journal Article %A N. N. Butenina %A V. S. Metrikin %T Studying the nonautonomous differential equations by methods of qualitative theory of control dynamical systems %J Russian journal of nonlinear dynamics %D 2010 %P 143-150 %V 6 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/ND_2010_6_1_a8/ %G ru %F ND_2010_6_1_a8