%0 Journal Article
%A Erik Christensen
%T Perturbation of Operator Algebras.
%J Inventiones mathematicae
%D 1977
%P 1-14
%V 43
%I mathdoc
%U http://geodesic.mathdoc.fr/item/IM_1977__43_142505/
%F IM_1977__43_142505