@article{IM_1987__87_143431,
     author = {J. Bourgain},
     title = {On the {Hausdorff} dimension of harmonic measure in higher dimension.},
     journal = {Inventiones mathematicae},
     pages = {477--484},
     publisher = {mathdoc},
     volume = {87},
     year = {1987},
     zbl = {0616.31004},
     url = {http://geodesic.mathdoc.fr/item/IM_1987__87_143431/}
}