1.
Kołodziej JA, Uściłowska A. Trefftz-type procedure for Laplace equation on domains with circular holes, circular inclusions, corners, slits, and symmetry. Comp. Assist. Methods Eng. Sci. 2023;4(3-4):501-519. Accessed January 18, 2026. https://cames.ippt.gov.pl/index.php/cames/article/view/1386