%0 Journal Article %A A. I. Vagabov %T On a case of violation of the multiple completeness property of the eigenfunctions for an ordinary differential pencil %J Doklady Akademii Nauk %D 1982 %P 11-14 %V 263 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1982_263_1_a0/ %G ru %F DAN_1982_263_1_a0