%0 Journal Article %A Carlo Cecchini %T Canonical functional extensions on von Neumann algebras %J Studia Mathematica %D 1999 %P 13-24 %V 135 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/sm-135-1-13-24/ %R 10.4064/sm-135-1-13-24 %G en %F 10_4064_sm_135_1_13_24