TY - JOUR AU - Gromadzki, Grzegorz TI - On Soluble Groups of Automorphism of Riemann Surfaces JO - Canadian mathematical bulletin PY - 1991 SP - 67 EP - 73 VL - 34 IS - 1 UR - http://geodesic.mathdoc.fr/articles/10.4153/CMB-1991-011-x/ DO - 10.4153/CMB-1991-011-x ID - 10_4153_CMB_1991_011_x ER -