@article{SF_1985__32_134780,
     author = {H.M. Umoh},
     title = {Ideals of the {Stone-Cech} compactification of semigroups.},
     journal = {Semigroup forum},
     pages = {201--214},
     publisher = {mathdoc},
     volume = {32},
     year = {1985},
     zbl = {0576.22005},
     url = {http://geodesic.mathdoc.fr/item/SF_1985__32_134780/}
}