%0 Journal Article %A O. V. Shigaeva %T Multiple non-completeness for the system of eigenfunctionsof a~class of the pencils of ordinary differential operators %J Izvestiya of Saratov University. Mathematics. Mechanics. Informatics %D 2009 %P 50-59 %V 9 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/ISU_2009_9_2_a8/ %G ru %F ISU_2009_9_2_a8