%0 Journal Article %A R. DeLanghe %A C. Impens %T N-Semigroups as codomain of measures. %J Semigroup forum %D 1979 %P 379-386 %V 17 %I mathdoc %U http://geodesic.mathdoc.fr/item/SF_1979__17_134332/ %F SF_1979__17_134332