Keskin R, Demirtürk B. On Suborbital Graphs for the Normalizer of $\Gamma_{0}(N)$. Electron. J. Combin. [Internet]. 2009Sep.18 [cited 2026Mar.16];16(1):R116. Available from: https://www.combinatorics.org/ojs/index.php/eljc/article/view/v16i1r116