著者名,書名,版表示,出版者名,出版年,シリーズ名,番号,ISBN,ISSN,URL
"Andersen, H. H. (Henning Haahr) and Jørgensen, Jens and Landrock, P. (Peter)","The projective indecomposable modules of SL(2, K)",,"Aarhus Universitet, Matematisk Institut",1981,Preprint series,,,,https://cir.nii.ac.jp/crid/1130000796884856960