Pan, Chi-Kin, and Kam-Moon Liu. “Stress Intensity Factors Computations Using the Singularity Subtraction Technique Incorporated With the Tau Method”. Computer Assisted Methods in Engineering and Science 5, no. 1 (June 7, 2023): 55–64. Accessed January 12, 2025. https://cames3.ippt.pan.pl/index.php/cames/article/view/1365.