TY - JOUR AU - Jacek PomykaƂa TI - On $q$-orders in primitive modular groups JO - Acta Arithmetica PY - 2014 SP - 397 EP - 404 VL - 166 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/aa166-4-5/ DO - 10.4064/aa166-4-5 LA - en ID - 10_4064_aa166_4_5 ER -