A Constructive Method for the Cycloidal Normal Free Subgroups of Finite Index of Hecke Groups H sqrt 2 and H sqrt 3


DOĞAN S., DEMİRCİ M., BİZİM O., CANGÜL İ. N.

BULLETIN OF THE INSTITUTE OF MATHEMATICS ACADEMIA SINICA NEW SERIES, vol.1, no.3, pp.429-436, 2006 (Peer-Reviewed Journal)