Kołodziej JA, Uściłowska A. Trefftz-type procedure for Laplace equation on domains with circular holes, circular inclusions, corners, slits, and symmetry. CAMES [Internet]. 2023 Jun. 19 [cited 2025 Jan. 12];4(3-4):501-19. Available from: https://cames3.ippt.pan.pl/index.php/cames/article/view/1386