Acta mathematica scientia,Series B ›› 1992, Vol. 12 ›› Issue (2): 171-178.

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PERIODIC SOLUTIONS FOR HAMILTONIANSYSTEMS IN A NONCONVEX POTENTIAL WELL

Li Shujie1,2   

  1. 1. Int. Cent. for Theo. Phys., Trieste, Italy;
    2. Scuola Int. Superiore di Studi Avanzati, Trieste, Italy
  • Received:1990-04-01 Online:1992-06-25 Published:1992-06-25
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