Pawlak, Zdzislaw, and Jerzy Rakowski. “Difference Equation Method for Static Problem of Infinite Discrete Structures”. Journal of Civil Engineering and Management 8, no. 2 (June 30, 2002): 88-93. Accessed March 29, 2024. https://journals.vilniustech.lt/index.php/JCEM/article/view/9103.