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 "Zeidler, Eberhard and Boron, Leo F.",Variational methods and optimization,,Springer Science+Business Media,1985,Nonlinear functional analysis and its applications,,9781461295297,,https://cir.nii.ac.jp/crid/1130000794487191040