TY  - BOOK
AU  - Conference on "Study of Periodic Solutions of Hamiltonian System", University of Rome, Feb. 1981
AU  - Aubin, J. P. ; ed.
AU  - Bensoussan, A. ; jt. ed.
AU  - Ekeland, I. ; jt. ed.
TI  - Advances in Hamiltonian systems: papers
U1  - 515.64 
PY  - 1983///
CY  - Boston
PB  - Birkhauser
ER  -