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
"Papadopoulos, Athanase","Metric spaces, convexity and non-positive curvature",2nd ed,European Mathematical Society,2014,IRMA lectures in mathematics and theoretical physics,,9783037191323,,https://cir.nii.ac.jp/crid/1130282272117139072