%0 Journal Article
%A C.T. Ng
%T Jensen's functional equation on groups.
%J Aequationes mathematicae
%D 1990
%P 85-99
%V 39
%N 2-3
%I mathdoc
%U http://geodesic.mathdoc.fr/item/AM2_1990__39_2-3_137340/
%F AM2_1990__39_2-3_137340