@article{00780176, title = {Matrix generators for the Harada-Norton group.}, journal = {Experimental Mathematics}, volume = {3}, year = {1994}, pages = {137-145}, doi = {10.1080/10586458.1994.10504285}, zbl = {0831.20016}, language = {en}, url = {http://dml.mathdoc.fr/item/00780176} }
Ryba, Alexander J.E.; Wilson, Robert A. Matrix generators for the Harada-Norton group.. Experimental Mathematics, Tome 3 (1994) pp. 137-145. doi : 10.1080/10586458.1994.10504285. http://gdmltest.u-ga.fr/item/00780176/