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)
John A. Beachy,Cotorsion radicals and projective modules,Bulletin of the Australian Mathematical Society,0004-9727,Cambridge University Press (CUP),1971-10,5,2,241-253,https://cir.nii.ac.jp/crid/1361418521265938560,https://doi.org/10.1017/s0004972700047122