%0 Journal Article
%A Yu. S. Barkovskii
%A V. I. Yudovich
%T Spectral properties of a~class of boundary value problems
%J Sbornik. Mathematics
%D 1982
%P 387-398
%V 42
%N 3
%I mathdoc
%U http://geodesic.mathdoc.fr/item/SM_1982_42_3_a5/
%G en
%F SM_1982_42_3_a5