Kołodziej, Jan A., and Antonio C. Mendes. “T -Functions for 2-D Creeping Flow on Domains With Circular Cylinders, Corners, and Possessing Symmetry”. Computer Assisted Methods in Engineering and Science, vol. 8, no. 2-3, Mar. 2023, pp. 359-84, https://cames3.ippt.pan.pl/index.php/cames/article/view/1176.