Khiem, Nguyen Tien, and Nguyen Dong Anh. “On a Method for Investigation of Random Oscillations of the Linear Visco-Elastic System”. Vietnam Journal of Mechanics 1, no. 3-4 (December 30, 1979): 31–37. Accessed November 8, 2025. https://vjmech.vast.vn/vjmech/article/view/9897.