TY - JOUR AU - Xavier Tolsa AU - Joan Verdera TI - May the Cauchy transform of a non-trivial finite measure vanish on the support of the measure? JO - Annales Fennici Mathematici PY - 2006 SP - 479 EP - 494 VL - 31 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/AFM_2006_31_2_a12/ LA - en ID - AFM_2006_31_2_a12 ER -