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
"Hansen, Terje Boye and Koopmans, Tjalling Charles",On the definition and computation of a capital stock invariant under optimization,,Cowles Foundation for Research in Economics at Yale University,1973,Cowles Foundation paper,,,,https://cir.nii.ac.jp/crid/1130282269498446720