TY  - BOOK
AU  - Struwe,Michael
TI  - Variational methods: applications to nonlinear partial differential equations and Hamiltonian systems
U1  - 515.64 
PY  - 2008///
CY  - Berlin
PB  - Springer Verlag
KW  - Calculus of variations
KW  - Hamiltonian systems
KW  - Nonlinear differential equations
ER  -