İKİKARDEŞ, S. Et Al. 2009. Principal congruence subgroups of the Hecke groups and related results. BULLETIN OF THE BRAZILIAN MATHEMATICAL SOCIETY , vol.40, no.4 , 479-494.

İKİKARDEŞ, S., ŞAHİN, R., & CANGÜL, İ. N., (2009). Principal congruence subgroups of the Hecke groups and related results. BULLETIN OF THE BRAZILIAN MATHEMATICAL SOCIETY , vol.40, no.4, 479-494.

İKİKARDEŞ, SEBAHATTİN, RECEP ŞAHİN, And İSMAİL NACİ CANGÜL. "Principal congruence subgroups of the Hecke groups and related results," BULLETIN OF THE BRAZILIAN MATHEMATICAL SOCIETY , vol.40, no.4, 479-494, 2009

İKİKARDEŞ, SEBAHATTİN Et Al. "Principal congruence subgroups of the Hecke groups and related results." BULLETIN OF THE BRAZILIAN MATHEMATICAL SOCIETY , vol.40, no.4, pp.479-494, 2009

İKİKARDEŞ, S. ŞAHİN, R. And CANGÜL, İ. N. (2009) . "Principal congruence subgroups of the Hecke groups and related results." BULLETIN OF THE BRAZILIAN MATHEMATICAL SOCIETY , vol.40, no.4, pp.479-494.

@article{article, author={SEBAHATTİN İKİKARDEŞ Et Al. }, title={Principal congruence subgroups of the Hecke groups and related results}, journal={BULLETIN OF THE BRAZILIAN MATHEMATICAL SOCIETY}, year=2009, pages={479-494} }