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 "Broer, Hendrik Wolter",Bifurcations in Hamiltonian systems : computing singularities by Gröbner bases,,Springer,2003,Lecture notes in mathematics,,3540004033,,https://cir.nii.ac.jp/crid/1130000796196773632