TY - JOUR AU - Burton Rodin AU - S. E. Warschawski TI - Extremal length and the boundary behavior of conformal mappings JO - Annales Fennici Mathematici PY - 1976 SP - 467 EP - 500 VL - 2 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.5186/aasfm.1976.0231/ DO - 10.5186/aasfm.1976.0231 LA - en ID - AFM_1976_2_1_a42 ER -