W. Grabysz, “On derivation of equations of dynamics for a certain class of models of mechanical systems”, Comp. Assist. Methods Eng. Sci., vol. 3, no. 4, pp. 289–296, Dec. 1996, Accessed: Feb. 25, 2026. [Online]. Available: https://cames.ippt.pan.pl/index.php/cames/article/view/1429