AN, N. T.; TO, N. D.; SON, N. H. Longitudinal shock of two elastic bars with one spherical end. Vietnam Journal of Mechanics, Hanoi, Vietnam, v. 15, n. 3, p. 5–7, 1993. DOI: 10.15625/0866-7136/10205. Disponível em: https://vjs.ac.vn/index.php/vjmech/article/view/10205. Acesso em: 5 may. 2024.