Ferreira, J. C. and Silva, N. R. (2019) “About eigenvalues ​​and zeros of polynomials and optimization problems: a synthesis and demonstrations”, Sigmae, 8(1), pp. 1–15. Available at: https://publicacoes.unifal-mg.edu.br/revistas/index.php/sigmae/article/view/637 (Accessed: 2 May 2024).