Hoa, Le Thai, and Nguyen Dong Anh. “Spectral Proper Transformation and Application to Gust Response Prediction of Structures”. Vietnam Journal of Mechanics 29, no. 1 (March 31, 2007): 25–36. Accessed March 29, 2024. https://vjs.ac.vn/index.php/vjmech/article/view/5588.