%0 Journal Article %A S. Z. Levendorskii %T Asymptotic behavior of the spectrum of linear pseudodifferential pencils in the degenerate case %J Doklady Akademii Nauk %D 1985 %P 1321-1324 %V 285 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1985_285_6_a8/ %G ru %F DAN_1985_285_6_a8