DA, H. V.; SON, T. D.; TINH, N. D. Asymptotic solution of the high order partial differential equation. Vietnam Journal of Mechanics, Hanoi, Vietnam, v. 31, n. 2, p. 65–74, 2009. DOI: 10.15625/0866-7136/31/2/5480. Disponível em: https://vjs.ac.vn/index.php/vjmech/article/view/5480. Acesso em: 25 apr. 2024.