Jarzębowski, A., Szyba, D. and Trąmpczyński, W. (1994) “On a Certain Theory of Plasticity Solutions for the Heavy Machine Earth-Working Process”,
Engineering Transactions, 42(4), pp. 399–416. Available at:
https://et.ippt.pan.pl/index.php/et/article/view/1549 (Accessed: 19 July 2025).