共 29 条
[14]
Liu ZL, 2004, ADV NONLINEAR STUD, V4, P563
[15]
Long Y., 2002, Index Theory for Symplectic Paths with Applications, V207
[18]
Long YM, 1997, CHINESE ANN MATH B, V18, P481
[19]
THE MINIMAL PERIOD PROBLEM OF CLASSICAL HAMILTONIAN-SYSTEMS WITH EVEN POTENTIALS
[J].
ANNALES DE L INSTITUT HENRI POINCARE-ANALYSE NON LINEAIRE,
1993, 10 (06)
:605-626
[20]
Mawhin J., 1989, Critical Point Theory and Hamilton System