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
"Phelps, Robert Ralph","Convex functions, monotone operators and differentiability",,Springer-Verlag,1989,Lecture notes in mathematics,,"3540507353,0387507353",,https://cir.nii.ac.jp/crid/1130000797063247104