TY  - BOOK
AU  - Marsden,J.E & Ratiu,T.S
ED  - Ratiu, T.S
TI  - Introduction to mechanics & symmetry
T2  - Texts in applied mathematics 17
SN  - 9780387986432
U1  - 13.02+10.13 
PY  - 1999///
CY  - New York
PB  - Springer
ER  -