%0 Journal Article
%A Yaakov Friedamnn
%A Bernhard Russo
%T Conditional Expectation and Bicontractive Projections on Jordan C*-algebras and Their Generalizations.
%J Mathematische Zeitschrift
%D 1987
%P 227-236
%V 194
%I mathdoc
%U http://geodesic.mathdoc.fr/item/MZ_1987__194_173829/
%F MZ_1987__194_173829