On Hermitian Positive Definite Solutions of Matrix Equation $X-A^*X^{-2}A=I$ . Journal of Computational Mathematics, [S. l.], v. 23, n. 4, p. 408–418, 2005. Disponível em: https://global-sci.com/index.php/JCM/article/view/11720. Acesso em: 6 dec. 2025.