CHI, N. H.; QUANG, V. D.; THANH, P. H. On a class of problems on unsteady flow of viscous-plastic fluids in pipe-line. Vietnam Journal of Mechanics, Hanoi, Vietnam, v. 17, n. 1, p. 9–14, 1995. DOI: 10.15625/0866-7136/10118. Disponível em: https://vjs.ac.vn/index.php/vjmech/article/view/10118. Acesso em: 27 apr. 2024.