%0 Journal Article
%A Pilz, Günter F.
%T Characterization of all order relations in direct sums of ordered groups.
%J Collectanea mathematica
%D 1972
%P 85-90
%V 23
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/item/CLTM_1972_1972_1_a3/
%G en
%F CLTM_1972_1972_1_a3