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 "Gilman, Jane","Two-generator discrete subgroups of PSL(2, R)",,American Mathematical Society,1995,Memoirs of the American Mathematical Society,,0821803611,,https://cir.nii.ac.jp/crid/1130282268947281024