@article{BMMS_2004_27_2_a7,
     author = {How Guan Aun and Denis Wong Chee Keong},
     title = {Group {Codes} {Defined} {Using} {Extra-Specialp-Group} of {Orderp3}},
     journal = {Bulletin of the Malaysian Mathematical Society},
     year = {2004},
     volume = {27},
     number = {2},
     url = {http://geodesic.mathdoc.fr/item/BMMS_2004_27_2_a7/}
}