%0 Journal Article %A Matti Lehtinen %T A real-analytic quasiconformal extension of a quasisymmetric function %J Annales Fennici Mathematici %D 1977 %P 207-213 %V 3 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.5186/aasfm.1977.0313/ %R 10.5186/aasfm.1977.0313 %G en %F AFM_1977_3_2_a1