%0 Journal Article %A R. Venkataraman %A N. Sankaran %T A generalization of the ordered group of integers. %J Mathematische Zeitschrift %D 1962 %P 21-31 %V 79 %I mathdoc %U http://geodesic.mathdoc.fr/item/MZ_1962__79_170047/ %F MZ_1962__79_170047