BICH, D. H.; BICH, N. D. On a class of non-linear differential equations with exact solution. Vietnam Journal of Mechanics, Hanoi, Vietnam, v. 34, n. 1, p. 7–17, 2012. DOI: 10.15625/0866-7136/34/1/424. Disponível em: https://vjs.ac.vn/index.php/vjmech/article/view/424. Acesso em: 25 apr. 2024.