%0 Journal Article
%A V. È. Lyantse
%T Completely regular perturbation of a~continuous spectrum
%J Sbornik. Mathematics
%D 1970
%P 115-143
%V 11
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/SM_1970_11_1_a8/
%G en
%F SM_1970_11_1_a8