TY - JOUR AU - Schaller Paul Schmutz TI - Geometric characterization of hyperelliptic Riemann surfaces JO - Annales Fennici Mathematici PY - 2000 SP - 85 EP - 90 VL - 25 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/AFM_2000_25_1_a4/ LA - en ID - AFM_2000_25_1_a4 ER -