TY - BOOK AU - Ratiu, Tudor S. TI - The geometry of hamiltonian systems: Proceedings of a workshop held june 5-16, 1989 T2 - Mathematical Sciences Research Institute publications SN - 0387976086 AV - QA614.83 G46 PY - 1991/// CY - New York PB - Springer Verlag KW - Sistemas hamiltonianos KW - Congresos ER -