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 "Williams, Floyd L.",Lectures on the spectrum of L[2](Γ\\G),,"Longman Scientific & Technical,Wiley",1991,Pitman research notes in mathematics series,,"0582068630,047021757X",,https://cir.nii.ac.jp/crid/1130282271518579584