Title of article :
Existence of periodic solutions of Hamiltonian systems with potential indefinite in sign Original Research Article
Author/Authors :
Flavia Antonacci، نويسنده ,
Issue Information :
روزنامه با شماره پیاپی سال 1997
Keywords :
Periodic solutions , Hamiltonian systems
Journal title :
Nonlinear Analysis Theory, Methods & Applications
Journal title :
Nonlinear Analysis Theory, Methods & Applications