%0 Journal Article %A Conrad, P. F. %A Clifford, A. H. %T Lattice-ordered groups having at most two disjoint elements† %J Glasgow mathematical journal %D 1960 %P 111-113 %V 4 %N 3 %U http://geodesic.mathdoc.fr/articles/10.1017/S2040618500034018/ %R 10.1017/S2040618500034018 %F 10_1017_S2040618500034018