%0 Journal Article %A Refik Keskin %A Bahar Demirtürk %T On suborbital graphs for the normalizer of \(\Gamma _{0}(N)\) %J The electronic journal of combinatorics %D 2009 %V 16 %N 1 %U http://geodesic.mathdoc.fr/articles/10.37236/205/ %R 10.37236/205 %F 10_37236_205