%0 Journal Article %A K.L.N. SWAMY %T Dually Residuated Lattice Ordered Semigroups, II. %J Mathematische Annalen %D 1965 %P 64-71 %V 160 %I mathdoc %U http://geodesic.mathdoc.fr/item/MAN_1965__160_161279/ %F MAN_1965__160_161279