%0 Journal Article %A Hamel, François %A Ros-Oton, Xavier %A Sire, Yannick %A Valdinoci, Enrico %T A one-dimensional symmetry result for a class of nonlocal semilinear equations in the plane %J Annales de l'I.H.P. Analyse non linéaire %D 2017 %P 469-482 %V 34 %N 2 %I Elsevier %U http://archive.numdam.org/articles/10.1016/j.anihpc.2016.01.001/ %R 10.1016/j.anihpc.2016.01.001 %G en %F AIHPC_2017__34_2_469_0