BICH, Dao Huy; BICH, Nguyen Dang; TUAN, Nguyen Anh. On the solutions of the Mathieu’s equation. Vietnam Journal of Mechanics, Hanoi, Vietnam, v. 30, n. 4, p. 219 – 231, 2008. DOI: 10.15625/0866-7136/30/4/5627. Disponível em: https://vjmech.vast.vn/vjmech/article/view/5627. Acesso em: 8 nov. 2025.