%0 Journal Article %A E. V. Voskresenskii %T Lyapunov functions and the asymptotic behavior of solutions of perturbed differential equations %J Izvestiâ vysših učebnyh zavedenij. Matematika %D 1991 %P 3-9 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/IVM_1991_5_a0/ %G ru %F IVM_1991_5_a0