HERRERA, Ismael. Trefftz-Herrera Method. Computer Assisted Methods in Engineering and Science, [S.l.], v. 4, n. 3-4, p. 369-382, june 2023. ISSN 2956-5839. Available at: <https://cames.ippt.pan.pl/index.php/cames/article/view/1379>. Date accessed: 22 july 2024.