Anh, N. D., and N. N. Linh. “A Weighted Dual Criterion for Stochastic Equivalent Linearization Method”. Vietnam Journal of Mechanics 36, no. 4 (November 27, 2014): 307–320. Accessed March 29, 2024. https://vjs.ac.vn/index.php/vjmech/article/view/5106.