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 "Morales Ruiz, Juan J. (Juan José)",Differential Galois theory and non-integrability of Hamiltonian systems,,Birkhäuser Verlag,1999,Progress in mathematics,,"376436078X,081766078X",,https://cir.nii.ac.jp/crid/1130282269519760768