Cangül, İ. N. 1993. Normal Subgroups of the Hecke Groups and Regular Maps. Methodes Numeriques dans la theorie des Surfaces de Riemann , (Marseille, France), 1.

Cangül, İ. N., (1993). Normal Subgroups of the Hecke Groups and Regular Maps . Methodes Numeriques dans la theorie des Surfaces de Riemann (pp.1). Marseille, France

Cangül, İSMAİL. "Normal Subgroups of the Hecke Groups and Regular Maps," Methodes Numeriques dans la theorie des Surfaces de Riemann, Marseille, France, 1993

Cangül, İSMAİL N. . "Normal Subgroups of the Hecke Groups and Regular Maps." Methodes Numeriques dans la theorie des Surfaces de Riemann , Marseille, France, pp.1, 1993

Cangül, İ. N. (1993) . "Normal Subgroups of the Hecke Groups and Regular Maps." Methodes Numeriques dans la theorie des Surfaces de Riemann , Marseille, France, p.1.

@conferencepaper{conferencepaper, author={İSMAİL NACİ CANGÜL}, title={Normal Subgroups of the Hecke Groups and Regular Maps}, congress name={Methodes Numeriques dans la theorie des Surfaces de Riemann}, city={Marseille}, country={France}, year={1993}, pages={1} }