%0 Journal Article %A Coti Zelati, Vittorio %A Rabinowitz, Paul H. %T Homoclinic orbits for second order Hamiltonian systems possessing superquadratic potentials %J Journal of the American Mathematical Society %D 1991 %P 693-727 %V 04 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.1090/S0894-0347-1991-1119200-3/ %R 10.1090/S0894-0347-1991-1119200-3 %F 10_1090_S0894_0347_1991_1119200_3