%0 Journal Article
%A V. A. Erovenko
%T Application of the abstract theory of perturbations to the investigation of essential spectra of ordinary differential operators in $L^p$
%J Differencialʹnye uravneniâ
%D 1997
%P 867-875
%V 33
%N 7
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DE_1997_33_7_a0/
%G ru
%F DE_1997_33_7_a0