%0 Journal Article %A B. S. Kalitin %A R. Chabour %T Method of semidefinite Lyapunov functions for systems of nonautonomous differential equations %J Izvestiâ vysših učebnyh zavedenij. Matematika %D 2012 %P 28-39 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/IVM_2012_5_a2/ %G ru %F IVM_2012_5_a2