%0 Journal Article %A A. I. Vahabov %T On the multiple completeness of eigenfunctions of a type of ordinary differential pencil %J Differencialʹnye uravneniâ %D 1982 %P 194-197 %V 18 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1982_18_2_a1/ %G ru %F DE_1982_18_2_a1