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)
Saeed Nasseh and Yuji Yoshino,On Ext-indices of ring extensions,Journal of Pure and Applied Algebra,0022-4049,Elsevier BV,2009-07,213,7,1216-1223,https://cir.nii.ac.jp/crid/1362262944009103872,https://doi.org/10.1016/j.jpaa.2008.11.034