00330nam a2200121 a 450000500170000002000150001708200160003210000280004824500510007626000350012730000260016270000200018820251203110159.0  a3764354852  a514.74bCUS  aCushman, Richard H. and  aGlobal aspects of classical integrable systems  aBaselbBirkhauser Verlagc1997  axvi,435p.c23 cm H.B.  aBates, Larry M.