%0 Journal Article %A Li Zhong %T On the existence of extremal Teichmüller mappings. %J Commentarii mathematici Helvetici %D 1982 %P 511-518 %V 57 %I mathdoc %U http://geodesic.mathdoc.fr/item/CMH_1982__57_139919/ %F CMH_1982__57_139919