%0 Journal Article %A G. V. Radzievskii %T On completeness of the set of root vectors of the operator pencil $L(\lambda)=I-\lambda^{-k}B-\lambda^nA$ %J Trudy Matematicheskogo Instituta imeni V.A. Steklova %D 1979 %P 237-238 %V 34 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/RM_1979_34_1_a16/ %G en %F RM_1979_34_1_a16