[1]
J.-H. He, “A parametrized variational principle of nonlinear piezoelectricity”, Comp. Assist. Methods Eng. Sci., vol. 10, no. 3, pp. 263–269, Jan. 2023, Accessed: Jan. 18, 2026. [Online]. Available: https://cames.ippt.gov.pl/index.php/cames/article/view/1074