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 "Niemann, Peter",Some generalized Kac-Moody algebras with known root multiplicities,,American Mathematical Society,2002,Memoirs of the American Mathematical Society,,0821828886,,https://cir.nii.ac.jp/crid/1130000795562057984