TY - JOUR AU - Stothers, W. W. TI - Diagrams associated with subgroups of Fuchsian groups JO - Glasgow mathematical journal PY - 1979 SP - 103 EP - 114 VL - 20 IS - 2 UR - http://geodesic.mathdoc.fr/articles/10.1017/S0017089500003797/ DO - 10.1017/S0017089500003797 ID - 10_1017_S0017089500003797 ER -