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
"Willem, Michel",Minimax theorems,,Birkhäuser,1996,Progress in nonlinear differential equations and their applications,,"0817639136,3764339136",,https://cir.nii.ac.jp/crid/1130000793699000448