@article{AFM_2006_31_2_a12,
     author = {Xavier Tolsa and Joan Verdera},
     title = {May the {Cauchy} transform of a non-trivial finite measure vanish on the support of the measure?},
     journal = {Annales Fennici Mathematici},
     pages = {479--494},
     publisher = {mathdoc},
     volume = {31},
     number = {2},
     year = {2006},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/AFM_2006_31_2_a12/}
}