%0 Journal Article %A Amster, Pablo %A De Napoli, Pablo L. %A Mariani, Maria Cristina %T Existence of solutions to $n$-dimensional pendulum-like equations %J Electronic Journal of Differential Equations %D 2004 %V 2004 %I mathdoc %U http://geodesic.mathdoc.fr/item/EJDE_2004__2004__a49/ %G en %F EJDE_2004__2004__a49