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
"Cass, D. and Stiglitz, Joseph E.",Risk aversion and wealth effects on portfolios with many assets,,Cowles Foundation for Research in Economics at Yale University,1973,Cowles Foundation paper,,,,https://cir.nii.ac.jp/crid/1130000794835976320