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 "Le Bruyn, Lieven",Trace rings of generic 2 by 2 matrices,,American Mathematical Society,1987,Memoirs of the American Mathematical Society,,0821824252,,https://cir.nii.ac.jp/crid/1130000797501781888