%0 Journal Article %A W.J. Ricker %T Integral transforms of vector measures on semigroups with applications to spectral operators. %J Semigroup forum %D 1992 %P 342-363 %V 45 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/SF_1992__45_3_135197/ %F SF_1992__45_3_135197