[1]
A. M. El-Karamany, “Deformation of a Nonhomogeneous Visco-Elastic Hollow Sphere”, Eng. Trans., vol. 31, no. 2, pp. 267–277, Mar. 1983, Accessed: Jul. 17, 2025. [Online]. Available: https://et.ippt.pan.pl/index.php/et/article/view/1941