@article{EJDE_2003__2003__a77,
     author = {Mesloub,  Said and Messaoudi,  Salim A.},
     title = {A nonlocal mixed semilinear problem for second-order hyperbolic equations},
     journal = {Electronic journal of differential equations},
     year = {2003},
     volume = {2003},
     zbl = {1012.35007},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/EJDE_2003__2003__a77/}
}