TY - JOUR AU - Eric Robinson TI - A characterization of certain branched coverings as group actions JO - Fundamenta Mathematicae PY - 1979 SP - 43 EP - 45 VL - 103 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/fm-103-1-43-45/ DO - 10.4064/fm-103-1-43-45 LA - en ID - 10_4064_fm_103_1_43_45 ER -