%0 Journal Article %A Caffarelli, Luis %A Dávila, Gonzalo %T Interior regularity for fractional systems %J Annales de l'I.H.P. Analyse non linéaire %D 2019 %P 165-180 %V 36 %N 1 %I Elsevier %U http://archive.numdam.org/articles/10.1016/j.anihpc.2018.04.004/ %R 10.1016/j.anihpc.2018.04.004 %G en %F AIHPC_2019__36_1_165_0