Periodic solutions of Hamiltonian systems and related topics/ 
edited by P.H. Rabinowitz ... [et al.]. 
 -  Reidel,  c1987. 
 - 284 p.: 
 - Mathematical and physical sciences;  209. .
 - NATO ASI series.  Series C,  Mathematical and physical sciences  v. 209. .
<br/><br/><label>ISBN: </label>9027725535 :  No price 
<br/><br/><label>Nat. Bib. No.: </label>GB88-28479 
<br/><br/><label>Subjects--Index Terms: </label>Ordinary dipperential equations  Periodic solution 
<br/><br/><label>Dewey Class. No.: </label>515  / P445