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",2nd ed,Springer-Verlag,1993,Lecture notes in mathematics,,"0387567151,3540567151",,https://cir.nii.ac.jp/crid/1130000796517599744