%0 Journal Article
%A Kirchberg, Eberhard
%A Wassermann, Simon
%T Permanence properties of $C^*$-exact groups
%J Documenta mathematica
%D 1999
%P 513-558
%V 4
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DOCMA_1999__4__a4/
%G en
%F DOCMA_1999__4__a4