@article{BUMI_1966_3_21_2_a4,
     author = {Leininger, Charles W.},
     title = {Maximal subgroups of the kernel of a semigroup with left zeroids.},
     journal = {Bollettino della Unione matematica italiana},
     pages = {147--149},
     publisher = {mathdoc},
     volume = {Ser. 3, 21},
     number = {2},
     year = {1966},
     zbl = {0143.03201},
     mrnumber = {202873},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/BUMI_1966_3_21_2_a4/}
}