著者名,書名,版表示,出版者名,出版年,シリーズ名,番号,ISBN,ISSN,URL "Hofer, Helmut and Zehnder, Eduard",Symplectic invariants and Hamiltonian dynamics,,Birkhäuser Verlag,1994,Birkhäuser advanced texts : Basler Lehrbücher,,"3764350660,0817650660",,https://cir.nii.ac.jp/crid/1130282271729016320