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 "Hjorth, Greg and Kechris, Alexander S.",Rigidity theorems for actions of product groups and countable Borel equivalence relations,,American Mathematical Society,2005,Memoirs of the American Mathematical Society,,0821837710,,https://cir.nii.ac.jp/crid/1130000794425979776