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
"Motreanu, D. and Rădulescu, V.",Variational and non-variational methods in nonlinear analysis and boundary value problems,,Kluwer Academic,2003,Nonconvex optimization and its applications,,140201385X,,https://cir.nii.ac.jp/crid/1130000794985362304