TY  - BOOK
AU  - Boccaletti, D.
AU  - Pucacco, G.
TI  - Theory of orbits: vol. 2, perturbative and geometrical methods
T2  - Astronomy and astrophysics library
SN  - 3-540-60355-7
PY  - 1999///
CY  - Berlin
PB  - Springer-Verlag
KW  - Geometrical theory
KW  - Orbits
KW  - Perturbation theory
ER  -