%0 Journal Article
%A P. Kranz
%T Extension of additive functionals and semicharacters on commutative semigroups.
%J Semigroup forum
%D 1979
%P 293-306
%V 18
%I mathdoc
%U http://geodesic.mathdoc.fr/item/SF_1979__18_134359/
%F SF_1979__18_134359