%0 Journal Article %A Ryotaro Sato %T A general differentiation theorem for superadditive processes %J Colloquium Mathematicum %D 2000 %P 125-136 %V 83 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/cm-83-1-125-136/ %R 10.4064/cm-83-1-125-136 %G en %F 10_4064_cm_83_1_125_136