TY - BOOK AU - Polterovich, Leonid TI - The geometry of the group of symplectic diffeomorphisms SN - 9783764364328 SN - 46853 U1 - 516.362 POL PY - 2001/// CY - Basel ; Boston PB - Birkhäuser Verlag KW - Diffeomorphisms KW - Hamiltonian systems KW - Symplectic manifolds N1 - Includes bibliographical references (p. [125]-129) and index ER -