Grysa K, Leśniewska R, Maciąg A. Energetic approach to direct and inverse heat conduction problems with Trefftz functions used in FEM. CAMES [Internet]. 2022 Jul. 19 [cited 2025 Jan. 12];15(3-4):171-82. Available from: https://cames3.ippt.pan.pl/index.php/cames/article/view/726