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 "室井, 芳史 and 日本銀行金融研究所",Pricing of credit derivatives with the asymptotic expansion approach,,"Institute for Monetary and Economic Studies, Bank of Japan",2006,IMES discussion paper series,,,,https://cir.nii.ac.jp/crid/1130000794843768832