@article{AIHPC_2014__31_1_23_0, author = {Cabr\'e, Xavier and Sire, Yannick}, title = {Nonlinear equations for fractional {Laplacians,} {I:} {Regularity,} maximum principles, and {Hamiltonian} estimates}, journal = {Annales de l'I.H.P. Analyse non lin\'eaire}, pages = {23--53}, publisher = {Elsevier}, volume = {31}, number = {1}, year = {2014}, doi = {10.1016/j.anihpc.2013.02.001}, zbl = {1286.35248}, mrnumber = {3165278}, language = {en}, url = {http://archive.numdam.org/articles/10.1016/j.anihpc.2013.02.001/} }