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 "Edwards, R. E. (Robert E.)",What is the Riemann integral? or Riemann integrals and modern analysis,,Australian National University,1968,Notes on pure mathematics,,,,https://cir.nii.ac.jp/crid/1130282268809869696