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
"Borch, Karl Henrik",An attempt to determine the optimum amount of stop loss reinsurance,,[s.n.],1960,Norges Handelshøyskoles Særtrykk-Serie,,,,https://cir.nii.ac.jp/crid/1130000796630401280