Kaczmarczyk, Waldemar. “Corrigendum to ”Extended Model Formulation of the Proportional Lot-Sizing and Scheduling Problem With Lost Demand Costs””. Decision Making in Manufacturing and Services 8, no. 1-2 (February 14, 2015): 41–41. Accessed May 6, 2024. https://journals.agh.edu.pl/dmms/article/view/1399.