Vadim Romanuke. “Infinity Substitute in Finding Exact Minimum of Total Weighted Tardiness in Tight-Tardy Progressive 1-Machine Scheduling by Idling-Free Preemptions”. Statistics, Optimization & Information Computing 9, no. 4 (August 1, 2021): 820-837. Accessed November 15, 2024. http://47.88.85.238/index.php/soic/article/view/1256.