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刘勇军, 李莹莹, 张卫国
Background RiskPortfolio SelectionModel with Conservative Short-selling and Financial Distress
LIU Yong-jun, LI Ying-ying, ZHANG Wei-guo
运筹与管理 . 2022, (12): 128 -135 .  DOI: 10.12005/orms.2022.0397