The Solvability Conditions for the Inverse Problem of Bisymmetric Nonnegative Definite Matrices. Journal of Computational Mathematics, [S. l.], v. 18, n. 6, p. 597–608, 2021. Disponível em: https://global-sci.com/index.php/JCM/article/view/11394. Acesso em: 26 feb. 2026.