著者名,論文名,雑誌名,ISSN,出版者名,出版日付,巻,号,ページ,URL,URL(DOI) Hans U. Gerber and Bruno Landry,On the discounted penalty at ruin in a jump-diffusion and the perpetual put option,Insurance: Mathematics and Economics,0167-6687,Elsevier BV,1998-07,22,3,263-276,https://cir.nii.ac.jp/crid/1362825895085915264,https://doi.org/10.1016/s0167-6687(98)00014-6