@article{SF_1996__52_3_135457,
     author = {W. Huang},
     title = {Algebraic monoids with group kernels.},
     journal = {Semigroup forum},
     pages = {319--324},
     year = {1996},
     volume = {52},
     number = {3},
     zbl = {0855.20052},
     url = {http://geodesic.mathdoc.fr/item/SF_1996__52_3_135457/}
}