[1]
J. Yu, B. Zhang, J. Lefebvre, and C. Zhang, “Wave propagation in functionally graded piezoelectric rods with rectangular cross-section”, Arch. Mech., vol. 67, no. 3, pp. 213–231, Jun. 2015, Accessed: Nov. 19, 2025. [Online]. Available: https://am.ippt.pan.pl/index.php/am/article/view/v67p213