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 "Ungar, Abraham Albert",A gyrovector space approach to hyperbolic geometry,,Morgan & Claypool,2009,Synthesis lectures on mathematics and statistics,,9781598298222,,https://cir.nii.ac.jp/crid/1130282273284005632