%0 Journal Article %A S. A. Gabov %A K. S. Mamedov %T An operator pencil arising in the dynamics of a compressible %J Doklady Akademii Nauk %D 1985 %P 23-26 %V 280 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1985_280_1_a3/ %G ru %F DAN_1985_280_1_a3