@article{MAN_1965__159_182675,
     author = {K.L.N. SWAMY},
     title = {Dually {Residuated} {Lattice} {Ordered} {Semigroups.}},
     journal = {Mathematische Annalen},
     pages = {105--114},
     publisher = {mathdoc},
     volume = {159},
     year = {1965},
     zbl = {0135.04203},
     url = {http://geodesic.mathdoc.fr/item/MAN_1965__159_182675/}
}