NAM, V. T.; HUY, P. T. Spring codes with algebraic approach. Journal of Computer Science and Cybernetics, [S. l.], v. 23, n. 4, p. 309–316, 2012. DOI: 10.15625/1813-9663/23/4/1724. Disponível em: https://vjs.ac.vn/index.php/jcc/article/view/1724. Acesso em: 3 may. 2024.