%0 Journal Article %A V. M. Gershtein %T The dissipativity of a certain two-dimensional system %J Differencialʹnye uravneniâ %D 1969 %P 1438-1444 %V 5 %N 8 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1969_5_8_a10/ %G ru %F DE_1969_5_8_a10