@article{EJDE_2007__2007__a7,
     author = {Coville,  Jerome},
     title = {Maximum principles, sliding techniques and applications to nonlocal equations},
     journal = {Electronic journal of differential equations},
     year = {2007},
     volume = {2007},
     zbl = {1137.35321},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/EJDE_2007__2007__a7/}
}