References
- Fröhlich , A. 1958 . The near-ring generated by the inner automorphisms of a finite simple group . J. London Math. Soc , 33 : 95 – 107 .
- Huppert , B. 1967 . Endliche Gruppen I , Berlin : Springer-Verlag .
- Meldrum , J.D.P. 1985 . Near-rings and their links with groups , Boston, , London : Pitman . Research Notes in Maths 134