Boccaletti, D & Pucacco, G <br/><br/>
Theory of orbits Vol.1  integrable systems & non-perturbative methods 
D. Boccaletti & G. Pucacco 
 - Berlin  Springer  1996 
 - xiii  302 
 - Astronomy & astrophysics library .
<br/><br/><label>ISBN: </label>9783540589631