%0 Journal Article
%A Gert K. Pedersen
%A Lawrence G. Brown
%T Approximation and convex decomposition by extremals in a C*-algebra.
%J Mathematica Scandinavica
%D 1998
%P 69-85
%V 81
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/item/MS2_1998__81_2_167428/
%F MS2_1998__81_2_167428