@article{EJDE_2007__2007__a245,
     author = {Boukrouche,  Mahdi and Tarzia,  Domingo A.},
     title = {On a convex combination of solutions to elliptic variational inequalities},
     journal = {Electronic journal of differential equations},
     year = {2007},
     volume = {2007},
     zbl = {1115.35155},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/EJDE_2007__2007__a245/}
}