%0 Journal Article %A Seppo Rickman %T Quasiregular mappings and metrics on the n-sphere with punctures. %J Commentarii mathematici Helvetici %D 1984 %P 136-148 %V 59 %I mathdoc %U http://geodesic.mathdoc.fr/item/CMH_1984__59_139968/ %F CMH_1984__59_139968