%0 Journal Article %A V. G. Romanovsky %T The properties of an ideal that is generated by Lyapunov quantities %J Differencialʹnye uravneniâ %D 1991 %P 207-219 %V 27 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1991_27_2_a3/ %G ru %F DE_1991_27_2_a3