%0 Journal Article %A Pekka Tukia %A Jussi Väisälä %T Bilipschitz Extensions of Maps Having Quasiconformal Extensions. %J Mathematische Annalen %D 1984 %P 561-572 %V 269 %I mathdoc %U http://geodesic.mathdoc.fr/item/MAN_1984__269_163948/ %F MAN_1984__269_163948