De Santis, Marianna, Stefano Lucidi, and Francesco Rinaldi. “New Concave Penalty Functions for Improving the Feasibility Pump”. Department of Computer and System Sciences Antonio Ruberti Technical Reports 2, no. 10 (July 9, 2010). Accessed May 23, 2024. https://rosa.uniroma1.it/rosa00/index.php/dis_technical_reports/article/view/8891.