SANH, D. A form of equations of motion of constrained mechanical systems. Vietnam Journal of Mechanics, Hanoi, Vietnam, v. 24, n. 2, p. 123–132, 2002. DOI: 10.15625/0866-7136/24/2/6614. Disponível em: https://vjs.ac.vn/index.php/vjmech/article/view/6614. Acesso em: 23 apr. 2024.