TY  - BOOK
AU  - Hairer, Ernst  .
TI  - Geometric numerical integration: structure-preserving algorithms for ordinary differential equations / 
SN  - 3-540-30663-3
U1  - B6 
PY  - 2006///
CY  - New York : 
PB  - Springer-Verlag , 
KW  - Geometric, Numerical integration
ER  -