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) Hamid Nur and Kosuda Masashi and Oura Manabu,Certain subrings in classical invariant theory,Toyama mathematical journal,18806015,"Department of Mathematics, University of Toyama",2020,41,,33-44,https://cir.nii.ac.jp/crid/1390572175409258368,https://doi.org/10.15099/00020827