@article{MASLO_1976_26_4_a4,
     author = {Shum, Kar-Ping},
     title = {On the {Frattini} ideal in compact semigroups},
     journal = {Mathematica slovaca},
     pages = {309--315},
     year = {1976},
     volume = {26},
     number = {4},
     mrnumber = {0427527},
     zbl = {0356.22003},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/MASLO_1976_26_4_a4/}
}