%0 Journal Article %A Carlo Cecchini %T A Spatial Characterization of ... Conditional Expectations on von Neumann Algebras. %J Mathematica Scandinavica %D 1995 %P 105-114 %V 76 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/MS2_1995__76_2_167329/ %F MS2_1995__76_2_167329