ANH, N. D. Dual approach to averaged values of functions: A form for weighting coefficient. Vietnam Journal of Mechanics, Hanoi, Vietnam, v. 37, n. 2, p. 145–150, 2015. DOI: 10.15625/0866-7136/37/2/6206. Disponível em: https://vjs.ac.vn/index.php/vjmech/article/view/6206. Acesso em: 25 jun. 2022.