TY - BOOK AU - Boccaletti, Dino, AU - Pucacco, Giuseppe, TI - Theory of orbits T2 - Astronomy and astrophysics SN - 3540589635 AV - QB355 B63 1996 PY - 1996/// CY - Berlin PB - Springer Verlag KW - Órbitas N1 - Contenido : v.1. Integrable systems and non-perturbative methods. -- v.2. Perturbative and geometrical methods ER -