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)
,A new Bartholdi zeta functio of a digraph,Linear Algebra and Its Applications 423,,,2007,,,498-511,https://cir.nii.ac.jp/crid/1010000782473855509,