A. Ambrosetti et M. Badiale, HOMOCLINICS - POINCARE-MELNIKOV TYPE RESULTS VIA A VARIATIONAL APPROACH, Annales de l Institut Henri Poincare. Analyse non lineaire, 15(2), 1998, pp. 233-252
We introduce a variational approach to obtain some Poincare-Melnikov t
ype results on the existence and multiplicity of homoclinics. (C) Else
vier, Paris.