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) KENMOTSU KATSUEI,Local classification of invariant $\eta $-Einstein submanifolds of codimension $2$ in a Sasakian manifold with constant $\phi $-sectional curvature,Tohoku Mathematical Journal, Second Series,0040-8735,東北大学大学院理学研究科数学専攻,1970,22,2,270-272,https://cir.nii.ac.jp/crid/1390001205114478720,https://doi.org/10.2748/tmj/1178242822