PHO, Nguyen Van. Reliability index of distributed parameter system. <b>Vietnam Journal of Mechanics</b>, Hanoi, Vietnam, v. 22, n. 4, p. 248–256, 2000. DOI: 10.15625/0866-7136/9981. Disponível em: https://vjmech.vast.vn/vjmech/article/view/9981. Acesso em: 8 nov. 2025.