%0 Journal Article
%A M. V. Keldysh
%T On the completeness of the eigenfunctions of some classes of non-selfadjoint linear operators
%J Trudy Matematicheskogo Instituta imeni V.A. Steklova
%D 1971
%P 15-44
%V 26
%N 4
%I mathdoc
%U http://geodesic.mathdoc.fr/item/RM_1971_26_4_a1/
%G en
%F RM_1971_26_4_a1