%0 Journal Article
%A R. Denchev
%T The spectrum of singular integrals on regions with boundary
%J Doklady Akademii Nauk
%D 1969
%P 18-20
%V 187
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1969_187_1_a3/
%G ru
%F DAN_1969_187_1_a3