Yılmaz Özgür, N. And Cangül, İ. N. 2000. Normal SUbgroups of Hecke group H(5). Bulletin of Academia Sinica , vol.28, no.4 , 277-283.

Yılmaz Özgür, N., & Cangül, İ. N., (2000). Normal SUbgroups of Hecke group H(5). Bulletin of Academia Sinica , vol.28, no.4, 277-283.

Yılmaz Özgür, Nihal, And İSMAİL NACİ CANGÜL. "Normal SUbgroups of Hecke group H(5)," Bulletin of Academia Sinica , vol.28, no.4, 277-283, 2000

Yılmaz Özgür, Nihal Y. And Cangül, İSMAİL N. . "Normal SUbgroups of Hecke group H(5)." Bulletin of Academia Sinica , vol.28, no.4, pp.277-283, 2000

Yılmaz Özgür, N. And Cangül, İ. N. (2000) . "Normal SUbgroups of Hecke group H(5)." Bulletin of Academia Sinica , vol.28, no.4, pp.277-283.

@article{article, author={Nihal Yılmaz Özgür And author={İSMAİL NACİ CANGÜL}, title={Normal SUbgroups of Hecke group H(5)}, journal={Bulletin of Academia Sinica}, year=2000, pages={277-283} }