TY  - BOOK
AU  - Boccaletti, D
AU  - Pucacco, G
TI  - Theory of orbits
SN  - 978364208222
U1  - 521.3 
PY  - 1998///
CY  - New York
PB  - Springer
N1  - Vol 2: Perturbative and geometrical methods
ER  -