TY  - BOOK
AU  - Mielke, Alexander
AU  - 
TI  - Hamiltonian and lagrangian flows on center manifolds with applications to elliptic variational problems
T2  - Lecture Notes in Mathematics, No.1489
U1  - R  LNM.1489 
PY  - 1991///
CY  - Springer-Verlag, Berlin
KW  - Lecture Notes in Mathematics
ER  -