%0 Journal Article %A P. A. Pugach %A V. A. Shlyk %T Сondensers and equivalent open sets on a Riemann surface %J Zapiski Nauchnykh Seminarov POMI %D 2016 %P 235-260 %V 449 %U http://geodesic.mathdoc.fr/item/ZNSL_2016_449_a11/ %G ru %F ZNSL_2016_449_a11