Mau, Nguyen Thanh. “Về một bài toán GYROSCOP Có trục đối xứng đàn hồi”. Vietnam Journal of Mechanics 13, no. 1 (March 30, 1991): 17–21. Accessed April 28, 2024. https://vjs.ac.vn/index.php/vjmech/article/view/10244.