TY  - BOOK
AU  - Mielke,A
TI  - Hamiltonian & lagrangian flows on center manifolds with applications to elliptic variational problems
T2  - Lecture notes in mathematics 1489
SN  - 354054710x
U1  - 8.07+10.03 
PY  - 1991///
CY  - Berlin
PB  - Springer
ER  -