%0 Journal Article %A R. Kh. Galeev %T The Cauchy problem for passive systems in Hilbert space %J Differencialʹnye uravneniâ %D 1982 %P 1718-1724 %V 18 %N 10 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1982_18_10_a8/ %G ru %F DE_1982_18_10_a8