Chang, Yao-Chang, and Leszek Demkowicz. “Scattering on a Spherical Shell. Comparison of 3-D Elasticity and Kirchhoff Shell Theory Results”. Computer Assisted Methods in Engineering and Science 2, no. 3 (September 30, 1995): 207–229. Accessed April 24, 2026. https://cames.ippt.pan.pl/index.php/cames/article/view/1473.