%0 Journal Article
%A A. A. Lyashenko
%T On the completeness of the system of generalized eigenfunctions of an operator generated by the first boundary value problem for the 

%J Doklady Akademii Nauk
%D 1991
%P 278-282
%V 319
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1991_319_2_a4/
%G ru
%F DAN_1991_319_2_a4