Khang, Nguyen Van, Lac Van Duong, and Pham Thanh Chung. “On Two Improved Numerical Algorithms for Vibration Analysis of Systems Involving Fractional Derivatives”. <i>Vietnam Journal of Mechanics</i> 43, no. 2 (June 21, 2021): 171–182. Accessed November 8, 2025. https://vjmech.vast.vn/vjmech/article/view/15758.