ANH, N. D. Dual approach to averaged values of functions. <b>Vietnam Journal of Mechanics</b>, Hanoi, Vietnam, v. 34, n. 3, p. 211–214, 2012. DOI: 10.15625/0866-7136/34/3/2361. Disponível em: https://vjmech.vast.vn/vjmech/article/view/2361. Acesso em: 9 nov. 2025.