@article{GDZPPN002184516,
title = {The conjugacy classes in a finite simple group.},
journal = {Journal f\"ur die reine und angewandte Mathematik},
volume = {238},
year = {1969},
pages = {363-365},
zbl = {0185.06103},
url = {http://dml.mathdoc.fr/item/GDZPPN002184516}
}
Gallagher, P.X. The conjugacy classes in a finite simple group.. Journal für die reine und angewandte Mathematik, Tome 238 (1969) pp. 363-365. http://gdmltest.u-ga.fr/item/GDZPPN002184516/