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) D. W. Blackett,Simple and Semisimple Near-Rings,Proceedings of the American Mathematical Society,0002-9939,JSTOR,1953-10,4,5,772,https://cir.nii.ac.jp/crid/1360855570091843968,https://doi.org/10.2307/2032411