%0 Journal Article %A Richard Fehlmann %T Extremal Quasiconformal Mappings with Free Boundary Components in Domains of Arbitray Connectivity. %J Mathematische Zeitschrift %D 1983 %P 109-126 %V 184 %I mathdoc %U http://geodesic.mathdoc.fr/item/MZ_1983__184_173349/ %F MZ_1983__184_173349