1. M. Afkhami, K. Khashyarmanesh, The comaximal graph of a lattice, Bull. Malaysian Math. Soc., in press.
2. Graph Theory with Applications;Bondy,1976
3. Orientable and nonorientable genus of the complete bipartite graph;Bouchet;J. Combin. Theory Ser. B,1978
4. Rings of order p5. I. Nonlocal rings;Corbas;J. Algebra,2000
5. Commutative Rings;Kaplansky,1974