Dao NV, Dinh NV, Chi TK, Dung N. A numerical approach of chaotic motions in a Duffing-Van der Pol oscillator. Vietnam J. Mech. [Internet]. 2007 Sep. 22 [cited 2025 Apr. 28];29(3):197-206. Available from: https://vjs.ac.vn/vjmech/article/view/5532