@article{SF_1985__31_134739,
     author = {U. Asibong-Ibe},
     title = {*-Bisimple type {A} w-semigroups-1.},
     journal = {Semigroup forum},
     pages = {99--118},
     year = {1985},
     volume = {31},
     zbl = {0549.20045},
     url = {http://geodesic.mathdoc.fr/item/SF_1985__31_134739/}
}