%0 Journal Article
%A P. Plappert
%T A sandwich theorem for monotone additive functions.
%J Semigroup forum
%D 1995
%P 347-356
%V 51
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/SF_1995__51_1_135422/
%F SF_1995__51_1_135422