@article{IM_1996__123_3_144342, author = {Congming Li}, title = {Local asymptotic symmetry of singular solutions to nonlinear elliptic equations.}, journal = {Inventiones mathematicae}, pages = {221--232}, year = {1996}, volume = {123}, number = {3}, zbl = {0849.35009}, url = {http://geodesic.mathdoc.fr/item/IM_1996__123_3_144342/} }