TY - BOOK AU - Ratiu Tudor ed. ED - Workshop on the Geometry of Hamiltonian Systems( 1989 : Berkeley ) ED - Workshop on the Geometry of Hamiltonian Systems TI - Geometry of Hamiltonian systems : proceedings U1 - 514.74 PY - 1989/// CY - N Y PB - Springer Verlag KW - Hamiltonian systems ER -