@article{01419955, title = {Free boundary regularity for harmonic measures and Poisson kernels.}, journal = {Annals of Mathematics. Second Series}, volume = {150}, year = {1999}, pages = {369-454}, doi = {10.2307/121086}, zbl = {0946.31001}, language = {en}, url = {http://dml.mathdoc.fr/item/01419955} }
Kenig, Carlos E.; Toro, Tatiana. Free boundary regularity for harmonic measures and Poisson kernels.. Annals of Mathematics. Second Series, Tome 150 (1999) pp. 369-454. doi : 10.2307/121086. http://gdmltest.u-ga.fr/item/01419955/