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
"Troutman, John L.",Variational calculus and optimal control : optimization with elementary convexity,2nd ed,Springer-Verlag,1996,Undergraduate texts in mathematics,,0387945113,,https://cir.nii.ac.jp/crid/1130000794769782016