%0 Journal Article
%A N. F. Valeev
%T On localization of the spectrum of non-self-adjoint differential operators
%J Fundamentalʹnaâ i prikladnaâ matematika
%D 2006
%P 11-19
%V 12
%N 5
%I mathdoc
%U http://geodesic.mathdoc.fr/item/FPM_2006_12_5_a1/
%G ru
%F FPM_2006_12_5_a1