%0 Journal Article
%A Gunter Lorenzen
%T Why Means in Two Arguments are Special.
%J Elemente der Mathematik
%D 1994
%P 32-37
%V 49
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/ELMA_1994__49_1_141557/
%F ELMA_1994__49_1_141557