Z. Handzel-Powierża, S. Kucharski, and G. Starzyński, “Theoretical and Experimental Studies on Elasto-Plastic Deformation of an Element with Surface Layer”, Eng. Trans., vol. 44, no. 1, pp. 69–83, Mar. 1996, Accessed: Jul. 09, 2025. [Online]. Available: https://et.ippt.pan.pl/index.php/et/article/view/1451