%0 Journal Article
%A Morozov, Sergey
%T Essential spectrum of multiparticle Brown-Ravenhall operators in external field
%J Documenta mathematica
%D 2008
%P 51-79
%V 13
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DOCMA_2008__13__a21/
%G en
%F DOCMA_2008__13__a21