%0 Journal Article
%A R. A. Shirikyan
%T The spectrum of nonselfadjoint ordinary differential operators of higher order
%J Differencialʹnye uravneniâ
%D 1972
%P 1214-1224
%V 8
%N 7
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DE_1972_8_7_a7/
%G ru
%F DE_1972_8_7_a7