@article{CMJ_2004__54_2_a3,
     author = {Ibrahim, Mohammed Ali Faya},
     title = {On the embedding of ordered semigroups into ordered group},
     journal = {Czechoslovak Mathematical Journal},
     pages = {303--313},
     publisher = {mathdoc},
     volume = {54},
     number = {2},
     year = {2004},
     mrnumber = {2059252},
     zbl = {1080.06020},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/CMJ_2004__54_2_a3/}
}