%0 Journal Article %A Wolfgang Arendt %T Kato's equality and spectral decomposititon for positive C0-Groups. %J Manuscripta mathematica %D 1982 %P 277-298 %V 40 %I mathdoc %U http://geodesic.mathdoc.fr/item/MM2_1982__40_154907/ %F MM2_1982__40_154907