Boccaletti, D Theory of orbits vol. I, integrable systems and non-perturbative methods G. Pucacco and D. Boccaletti - Berlin Springer-Verlag 1996 - xi, 392p. ISBN: 3-540-58963-5 Subjects--Topical Terms: OrbitsOrbits theory Universal Decimal Class. No.: 521.3 / BOC-I