%0 Journal Article %A I. A. Mednykh %T On Irregular Holomorphic Mappings between Riemann Surfaces of Genera Four and Two %J Sibirskij žurnal čistoj i prikladnoj matematiki %D 2009 %P 72-79 %V 9 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/VNGU_2009_9_2_a7/ %G ru %F VNGU_2009_9_2_a7