%0 Journal Article
%A Ya. V. Mikityuk
%T Spectral theory of a class of nonselfadjoint operators
%J Doklady Akademii Nauk
%D 1980
%P 40-43
%V 252
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1980_252_1_a9/
%G ru
%F DAN_1980_252_1_a9