ANH, N. D. Dual approach to averaged values of functions: Advanced formulas. Vietnam Journal of Mechanics, Hanoi, Vietnam, v. 34, n. 4, p. 321–325, 2012. DOI: 10.15625/0866-7136/34/4/2573. Disponível em: https://vjs.ac.vn/index.php/vjmech/article/view/2573. Acesso em: 27 apr. 2024.