@article{EJDE_2001__2001__a103,
     author = {Spradlin,  Gregory S.},
     title = {Interfering solutions of a nonhomogeneous {Hamiltonian} system},
     journal = {Electronic journal of differential equations},
     year = {2001},
     volume = {2001},
     zbl = {1068.35501},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/EJDE_2001__2001__a103/}
}