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
"Alexander, Stephanie and Kapovitch, Vitali and Petrunin, Anton",An invitation to Alexandrov geometry : CAT(0) spaces,,Springer,2019,SpringerBriefs in mathematics,,9783030053116,,https://cir.nii.ac.jp/crid/1130282272707011328