TY - JOUR AU - S. M. Natanzon TI - On the order of a finite group of homeomorphisms of a surface onto itself and the number of real forms of a complex algebraic curve JO - Doklady Akademii Nauk PY - 1978 SP - 765 EP - 768 VL - 242 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1978_242_4_a5/ LA - ru ID - DAN_1978_242_4_a5 ER -