@article{BMMS_2003_26_1_a8,
     author = {Guan Aun How},
     title = {On
                          {sM-Group}},
     journal = {Bulletin of the Malaysian Mathematical Society},
     year = {2003},
     volume = {26},
     number = {1},
     url = {http://geodesic.mathdoc.fr/item/BMMS_2003_26_1_a8/}
}