C. Cao, Q.-H. Qin, and A. Yu, “A new hybrid finite element approach for three-dimensional elastic problems”, Arch. Mech., vol. 64, no. 3, pp. 261–292, Jun. 2012, Accessed: Oct. 29, 2025. [Online]. Available: https://am.ippt.pan.pl/index.php/am/article/view/v64p261