Gorzelańczyk, Piotr. “Method of Fundamental Solutions and Random Numbers for the Torsion of Bars With Multiply Connected Cross Sections”. Computer Assisted Methods in Engineering and Science 17, no. 2/3/4 (December 31, 2010): 99–112. Accessed March 5, 2026. https://cames.ippt.gov.pl/index.php/cames/article/view/126.