TY  - BOOK
AU  - Boccaletti,D.
AU  - Pucacco,G.
TI  - Theory of orbits: v2. perturbative and geometrical methods
SN  - 3540603557
U1  - 521/.3 
PY  - 1996///
CY  - Berlin
PB  - Springer
KW  - Orbits
ER  -