%0 Journal Article
%A P. Tukia
%A J. Väisälä
%T Lipschitz and quasiconformal approximation and extension
%J Annales Fennici Mathematici
%D 1981
%P 303-342
%V 6
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/articles/10.5186/aasfm.1981.0626/
%R 10.5186/aasfm.1981.0626
%G en
%F AFM_1981_6_2_a9