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
"Kroon, Juan A. Valiente",Conformal methods in general relativity,,Cambridge University Press,2016,Cambridge monographs on mathematical physics,,9781107033894,,https://cir.nii.ac.jp/crid/1130282272674377472