TY - JOUR AU - Richard Fehlmann TI - Extremal Quasiconformal Mappings with Free Boundary Components in Domains of Arbitray Connectivity. JO - Mathematische Zeitschrift PY - 1983 SP - 109 EP - 126 VL - 184 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MZ_1983__184_173349/ ID - MZ_1983__184_173349 ER -