%0 Journal Article %A S. A. Vavilov %A V. S. Fedotova %T Classic theorem by Lyapunov for differential equations in Hilbert spaces %J Journal of Samara State Technical University, Ser. Physical and Mathematical Sciences %D 2008 %P 6-12 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/VSGTU_2008_2_a0/ %G ru %F VSGTU_2008_2_a0