@article{JEMS_2011_13_1_a0,
     author = {Guy Barles and Emmanuel Chasseigne and Cyril Imbert},
     title = {H\"older continuity of solutions of second-order non-linear elliptic integro-differential equations},
     journal = {Journal of the European Mathematical Society},
     pages = {1--26},
     publisher = {mathdoc},
     volume = {13},
     number = {1},
     year = {2011},
     doi = {10.4171/jems/242},
     url = {http://geodesic.mathdoc.fr/articles/10.4171/jems/242/}
}