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
"Iversen, Birger",The characteristic map for a reductive algebraic group,,"Aarhus universitet, Matematisk institut",1972,Preprint series,,,,https://cir.nii.ac.jp/crid/1130000796328648320