%0 Journal Article %A Luca, Rodica %T Existence and uniqueness of solutions for a second-order nonlinear hyperbolic system %J Electronic Journal of Differential Equations %D 2011 %V 2011 %I mathdoc %U http://geodesic.mathdoc.fr/item/EJDE_2011__2011__a23/ %G en %F EJDE_2011__2011__a23