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)
,An improved two-step regularization scheme for spot volatility estimation,Economic Notes ; Banka Monte dei Paschi di Siena,,,2011,40,,105-132,https://cir.nii.ac.jp/crid/1010000782119414672,