%0 Journal Article %A V. M. Bruk %T Maximal dissipativity of a higher-order differential operator with an unbounded operator coefficient %J Differencialʹnye uravneniâ %D 1984 %P 1986-1989 %V 20 %N 11 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1984_20_11_a18/ %G ru %F DE_1984_20_11_a18