Broer, H., et al <br/><br/>
Bifurcations in hamiltonian systems 
H. Broer, et al 
 - Berlin  Springer  2003 
 - xiii  169 
 - Lecture notes in mathematics 1806 .
<br/><br/><label>ISBN: </label>9783540004035 
<br/><br/><label>Dewey Class. No.: </label>12.05+6.07  / BROE