%0 Journal Article
%A L. M. Luzhina
%T Regularity of spectral problems with supplementary conditions at interior points
%J Matematičeskie zametki
%D 1991
%P 151-153
%V 49
%N 3
%I mathdoc
%U http://geodesic.mathdoc.fr/item/MZM_1991_49_3_a22/
%G ru
%F MZM_1991_49_3_a22