Chen, Xian, Toshiaki Hisada, Kazuhiro Nakamura, and Masahiko Mori. “Semi-Analytical Sensitivity Analysis Procedure for Frictional Contact Problems”. Computer Assisted Methods in Engineering and Science 7, no. 1 (April 4, 2023): 69–80. Accessed April 19, 2025. https://cames3.ippt.pan.pl/index.php/cames/article/view/1261.