%0 Journal Article
%A Johnson, B. E.
%T A Counterexample in the Perturbation Theory of C*-Algebras
%J Canadian mathematical bulletin
%D 1982
%P 311-316
%V 25
%N 3
%U http://geodesic.mathdoc.fr/articles/10.4153/CMB-1982-043-4/
%R 10.4153/CMB-1982-043-4
%F 10_4153_CMB_1982_043_4