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
"Figueiredo, Djairo Guedes de",Lectures on the Ekeland variational principle with applications and detours,,Published for the Tata Institute of Fundamental Research [by] Springer-Verlag,1989,Lectures on mathematics and physics,,"0387511792,3540511792",,https://cir.nii.ac.jp/crid/1130000796681906304