%0 Journal Article %A Raimo Näkki %A Bruce Palka %T Quasiconformal circles and Lipschitz classes. %J Commentarii mathematici Helvetici %D 1980 %P 485-498 %V 55 %I mathdoc %U http://geodesic.mathdoc.fr/item/CMH_1980__55_139839/ %F CMH_1980__55_139839