%0 Journal Article
%A V. S. Rykhlov
%T Completeness of eigenfunctions of quadratic pencils of ordinary differential operators
%J Izvestiâ vysših učebnyh zavedenij. Matematika
%D 1992
%P 35-44
%N 3
%I mathdoc
%U http://geodesic.mathdoc.fr/item/IVM_1992_3_a6/
%G ru
%F IVM_1992_3_a6