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
"Pontri︠a︡gin, L. S. (Lev Semenovich)",Optimal control and differential games : collection of papers,,American Mathematical Society,1990,Proceedings of the Steklov Institute of Mathematics,,0821831348,,https://cir.nii.ac.jp/crid/1130282268751624960