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
"Geretschläger, Robert and Perz, Gottfried",Mathematical nuggets from Austria : selected problems from the Styrian mid-secondary school mathematics competitions,,World Scientific,2020,Problem solving in mathematics and beyond,,9789811219252,,https://cir.nii.ac.jp/crid/1130296873791815604