TY  - BOOK
AU  - Efstathiou,K
TI  - Metamorphoses of hamiltonian systems with symmetries
T2  - Lecture notes in mathematics 1864
SN  - 9783540243168
U1  - 12.05+10.13 
PY  - 2005///
CY  - Berlin
PB  - Springer
ER  -