%0 Journal Article
%A Gert K. Petersen
%T Approximating Derivations on Ideals of C*-Algebras.
%J Inventiones mathematicae
%D 1978
%P 299-305
%V 45
%I mathdoc
%U http://geodesic.mathdoc.fr/item/IM_1978__45_142548/
%F IM_1978__45_142548