@article{10_1090_S0894_0347_08_00601_2,
     author = {Kenig, C. and Preiss, D. and Toro, T.},
     title = {Boundary structure and size in terms of interior and exterior harmonic measures in higher dimensions},
     journal = {Journal of the American Mathematical Society},
     pages = {771--796},
     publisher = {mathdoc},
     volume = {22},
     number = {3},
     year = {2009},
     doi = {10.1090/S0894-0347-08-00601-2},
     url = {http://geodesic.mathdoc.fr/articles/10.1090/S0894-0347-08-00601-2/}
}