TY - BOOK AU - Mielke, Alexander TI - Hamiltonian and Lagrangian Flows on center Manifolds with Applications to Elliptic Variational Problems: Lecture Notes in Mathematics 1489 SN - 354054710X U1 - 514.74 MIE PY - 1991/// CY - .- New York PB - : Springer- Verlag KW - Mathematics KW - Hamiltonioan ER -