Boccaletti, D. Theory of orbits / v1- integrable systems and non-perturbative methods D. Boccaletti, G. Pucacco. - Corr. 3rd print. - Berlin ; Springer, 1996 - xi,392p. ill. ; 24 cm. ISBN: 3540589635 3540603557 Subjects--Index Terms: Orbits Dewey Class. No.: 521/.3 / BOC