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
"Mei Yu and 井上, 洋 ( 数理統計学) and Jianming, Shi and 東京理科大学経営学部",Portfolio optimization problems with linear programming models,,"School of Management, Tokyo University of Science",2006,Discussion paper,,,,https://cir.nii.ac.jp/crid/1130000795079692288