%0 Journal Article
%A Yu. V. Shestopalov
%T On the spectrum of a family of non-self-adjoint boundary value problems for systems of Helmholtz equations
%J Žurnal vyčislitelʹnoj matematiki i matematičeskoj fiziki
%D 1981
%P 1459-1470
%V 21
%N 6
%I mathdoc
%U http://geodesic.mathdoc.fr/item/ZVMMF_1981_21_6_a11/
%G ru
%F ZVMMF_1981_21_6_a11