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
"D'Atri, J. E. and Ziller, Wolfgang",Naturally reductive metrics and Einstein metrics on compact Lie groups,,American Mathematical Society,1979,Memoirs of the American Mathematical Society,,0821822152,,https://cir.nii.ac.jp/crid/1130282271379329152