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) Toyonaga Kenji,The effect of removing a 2-downer edge or a cut 2-downer edge triangle for an eigenvalue,Special Matrices,2300-7451,Walter de Gruyter GmbH,2023-01-01,11,,,https://cir.nii.ac.jp/crid/1874242817513019648,https://doi.org/10.1515/spma-2022-0186