Grysa K, Maciąg A, Maciejewska B. Trefftz function for solving a quasi-static inverse problem of thermal stresses. Comp. Assist. Methods Eng. Sci. 2009;16(3-4):251-266. Accessed March 5, 2026. https://cames.ippt.gov.pl/index.php/cames/article/view/149