%0 Journal Article %A S. S. Mirzoyev %A A. T. Gazilova %T On the Completeness of a Part of Root Vectors for a Class of Third-Order Quasi-Elliptic Operator Pencils %J Matematičeskie zametki %D 2019 %P 801-804 %V 105 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/MZM_2019_105_5_a13/ %G ru %F MZM_2019_105_5_a13