Chi, Tran Kim, and Nguyen Van Dinh. “INTERACTION BETWEEN PARAMETRIC AND FORCED OSCILLATIONS IN A QUASI-LINEAR OSCILLATING SYSTEM”. <i>Vietnam Journal of Mechanics</i> 19, no. 2 (June 30, 1997): 1–8. Accessed November 8, 2025. https://vjmech.vast.vn/vjmech/article/view/10048.