著者名,タイトル,雑誌名,ISSN,出版者名,出版日付,巻,号,ページ,URL,URL(DOI) Avanzi,Optimal dividends and capital injections in the dual model with diffusion,Astin Bulletin,,,2011,41,,611,https://cir.nii.ac.jp/crid/1370285707927403917,