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. 1, p. 5–9, 1993. DOI: 10.15625/0866-7136/10183. Disponível em: https://vjs.ac.vn/index.php/vjmech/article/view/15.01. Acesso em: 5 may. 2024.