@article{EJDE_2006__2006__a190,
     author = {Haddad,  Tahar and Yarou,  Mustapha},
     title = {Existence of solutions for nonconvex second-order differential inclusions in the infinite dimensional space},
     journal = {Electronic journal of differential equations},
     year = {2006},
     volume = {2006},
     zbl = {1103.34055},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/EJDE_2006__2006__a190/}
}