TY - JOUR AU - I. A. Mednykh TI - On Irregular Holomorphic Mappings between Riemann Surfaces of Genera Four and Two JO - Sibirskij žurnal čistoj i prikladnoj matematiki PY - 2009 SP - 72 EP - 79 VL - 9 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/VNGU_2009_9_2_a7/ LA - ru ID - VNGU_2009_9_2_a7 ER -