B. Paláncz and G. Popper, “Mixed algorithm for solving boundary value problem”, Comp. Assist. Methods Eng. Sci., vol. 6, no. 3-4, pp. 479–486, Dec. 1999, Accessed: May 08, 2026. [Online]. Available: http://cames.ippt.gov.pl/index.php/cames/article/view/1309