%0 Journal Article %A Mott, Joe L. %T Convex Directed Subgroups of a Group of Divisibility %J Canadian journal of mathematics %D 1974 %P 532-542 %V 26 %N 3 %U http://geodesic.mathdoc.fr/articles/10.4153/CJM-1974-049-2/ %R 10.4153/CJM-1974-049-2 %F 10_4153_CJM_1974_049_2