TY - JOUR AU - Pekka Tukia TI - Extension of quasisymmetric and Lipschitz embeddings of the real line into the plane JO - Annales Fennici Mathematici PY - 1981 SP - 89 EP - 94 VL - 6 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.5186/aasfm.1981.0624/ DO - 10.5186/aasfm.1981.0624 LA - en ID - AFM_1981_6_1_a5 ER -