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
"五十嵐, 岳",Local polynomial direct density ratio estimation at the boundary,,Gakushuin University Research Institute of Economics and Management,2023,経済経営研究所discussion paper series,,,,https://cir.nii.ac.jp/crid/1130016793099371438