SANH, D. A new form of equations of motion of nonholonomic mechanical systems. Vietnam Journal of Mechanics, Hanoi, Vietnam, v. 19, n. 3, p. 59–64, 1997. DOI: 10.15625/0866-7136/10061. Disponível em: https://vjs.ac.vn/index.php/vjmech/article/view/10061. Acesso em: 25 apr. 2024.