@article{00530106,
title = {Construction of the fourfold cover of the Mathieu group },
journal = {Experimental Mathematics},
volume = {2},
year = {1993},
pages = {11-14},
doi = {10.1080/10586458.1993.10504265},
zbl = {0805.20014},
language = {en},
url = {http://dml.mathdoc.fr/item/00530106}
}
Suleiman, Ibrahim A.I.; Wilson, Robert A. Construction of the fourfold cover of the Mathieu group . Experimental Mathematics, Tome 2 (1993) pp. 11-14. doi : 10.1080/10586458.1993.10504265. http://gdmltest.u-ga.fr/item/00530106/