Kołodziej, J.A. and Starosta, R. (2023) “Self-adaptive Trefftz procedure for harmonic problems”, Computer Assisted Methods in Engineering and Science, 4(3-4), pp. 491–500. Available at: https://cames3.ippt.pan.pl/index.php/cames/article/view/1385 (Accessed: 12 January 2025).