DONG ANH, N. Duality in the analysis of responses to nonlinear systems. Vietnam Journal of Mechanics, Hanoi, Vietnam, v. 32, n. 4, p. 263–266, 2010. DOI: 10.15625/0866-7136/32/4/294. Disponível em: https://vjs.ac.vn/index.php/vjmech/article/view/294. Acesso em: 25 apr. 2024.