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) "Ouchi, Sunao",Asymptotic expansion of singular solutions and characteristic polygon of linear partial differential equations with holomorphic coefficients,数理解析研究所講究録,1880-2818,京都大学数理解析研究所,2000-06,1159,,87-91,https://cir.nii.ac.jp/crid/1050282677151352320,