Chen, Xian, Toshiaki Hisada, Kazuhiro Nakamura, and Masahiko Mori. 2023. “Semi-Analytical Sensitivity Analysis Procedure for Frictional Contact Problems”. Computer Assisted Methods in Engineering and Science 7 (1): 69-80. https://cames3.ippt.pan.pl/index.php/cames/article/view/1261.