Kołodziej JA, Mierzwiczak M, Tylicki H. Effective flexural rigidity of perforated plates by means of Trefftz method with using special purpose Trefftz functions. Comp. Assist. Methods Eng. Sci. 2022;15(3-4):225-237. Accessed June 30, 2025. https://cames.ippt.pan.pl/index.php/cames/article/view/731