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
"Peskir, G. (Goran)",Principles of optimal stopping and free-boundary problems,,"University of Aarhus, Department of Mathematics",2001,Lecture notes series,,,,https://cir.nii.ac.jp/crid/1130282270413409408