1. Akhlaghi Z., Khosravi B., and Khatami M., “Characterization by prime graph of PGL(2, p
k) where p and k > 1 are odd,” Int. J. Algebra Comput., vol. 20, No. 7, 847–873 (2010).
2. Chen G., “Characterization of alternating groups by the set of orders of maximal abelian subgroups,” Sib. Math. J., vol. 47, No. 3, 594–596 (2006).
3. Han Z., Chen G., and Guo X., “A characterization theorem of sporadic simple groups,” Sib. Math. J., vol. 49, No. 6, 1138–1146 (2008).
4. Khosravi B., “A characterization of the automorphism groups of sporadic groups by the set of orders of maximal abelian subgroups,” Kumamoto. J. Math., vol. 22, 17–34 (2009).
5. Wang L., Characterization of Some Classes of Finite Simple Groups, Thes. Master of Science, Southwest China Normal University (2000).