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 "坪井, 堅二",The index of G-equivariant real elliptic families,,"Department of Mathematics, Faculty of Science, Kyoto University",1982,Seminar notes on differential topology,,,,https://cir.nii.ac.jp/crid/1130000797743054848