TY - JOUR AU - Maire Kiikka TI - Diffeomorphic approximation of quasiconformal and quasisymmetric homeomorphisms JO - Annales Fennici Mathematici PY - 1983 SP - 251 EP - 256 VL - 8 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.5186/aasfm.1983.0814/ DO - 10.5186/aasfm.1983.0814 LA - en ID - AFM_1983_8_2_a4 ER -