@article{GDZPPN002296977,
title = {Dually Residuated Lattice Ordered Semigroups, III},
journal = {Mathematische Annalen},
volume = {163},
year = {1966},
pages = {71-74},
zbl = {0158.02601},
url = {http://dml.mathdoc.fr/item/GDZPPN002296977}
}
Swamy, K. L. N. Dually Residuated Lattice Ordered Semigroups, III. Mathematische Annalen, Tome 163 (1966) pp. 71-74. http://gdmltest.u-ga.fr/item/GDZPPN002296977/