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 algorithm for computing the kernel of a locally finite higher derivation up to a certain degree,Colloq.Math vol.122,,,2011,,,21-31,https://cir.nii.ac.jp/crid/1010000782056293891,