%0 Journal Article
%A R.B., Jr. Warfield
%T Homomorphisms and Duality for Torsion-free Groups.
%J Mathematische Zeitschrift
%D 1968
%P 189-200
%V 107
%I mathdoc
%U http://geodesic.mathdoc.fr/item/MZ_1968__107_171063/
%F MZ_1968__107_171063