%0 Journal Article %A V. V. Kozlov %T Invariant Planes, Indices of Inertia, and Degrees of Stability of Linear Dynamic Equations %J Trudy Matematicheskogo Instituta imeni V.A. Steklova %D 2007 %P 154-161 %V 258 %I mathdoc %U http://geodesic.mathdoc.fr/item/TM_2007_258_a10/ %G ru %F TM_2007_258_a10