%0 Journal Article
%A Shuang Zhang
%T Homotopy of projections and factorization in the unitary group of certain C*-algebras.
%J Mathematica Scandinavica
%D 1993
%P 281-306
%V 73
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/item/MS2_1993__73_2_167273/
%F MS2_1993__73_2_167273