%0 Journal Article %A I. D. Kostrub %T Hurwitz matrix, Lyapunov and Dirichlet on the sustainability of Lyapunov’s %J Vestnik rossijskih universitetov. Matematika %D 2018 %P 431-436 %V 23 %N 123 %I mathdoc %U http://geodesic.mathdoc.fr/item/VTAMU_2018_23_123_a10/ %G ru %F VTAMU_2018_23_123_a10