Nowak, Zdzisław, and Andrzej Stachurski. “Global Optimization in Material Functions Identification for Voided Media Plastic Flow”. Computer Assisted Methods in Engineering and Science 9, no. 2 (February 22, 2023): 205–221. Accessed January 12, 2025. https://cames3.ippt.pan.pl/index.php/cames/article/view/1131.