%0 Journal Article %A E. G. Emel'yanov %T The problems on extremal decomposition in spaces of Riemann surfaces %J Zapiski Nauchnykh Seminarov POMI %D 2000 %P 84-104 %V 263 %U http://geodesic.mathdoc.fr/item/ZNSL_2000_263_a7/ %G ru %F ZNSL_2000_263_a7