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 "Llibre, Jaume and Nunes, Ana",Separatrix surfaces and invariant manifolds of a class of integrable Hamiltonian systems and their perturbations,,American Mathematical Society,1994,Memoirs of the American Mathematical Society,,082182581X,,https://cir.nii.ac.jp/crid/1130000796870257792