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 "Gaeta, Giuseppe","Perturbation theory : mathematics, methods and applications : a volume in the encyclopedia of complexity and systems science",2nd ed,Springer,2022,Encyclopedia of complexity and systems science series,,9781071626207,,https://cir.nii.ac.jp/crid/1130577883827071239