%0 Journal Article %A R. de Laubenfels %T Integrated semigroups, C-semigroups, and the abstract Cauchy problem. %J Semigroup forum %D 1990 %P 83-96 %V 41 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/SF_1990__41_2_135038/ %G en %F SF_1990__41_2_135038