GUO, B.-N. Three proofs of an identity involving derivatives of a positive definite matrix and its determinant. CUBO, A Mathematical Journal, [S. l.], v. 5, n. 2, p. 225–229, 2003. Disponível em: https://cubo.ufro.cl/ojs/index.php/cubo/article/view/1696. Acesso em: 19 may. 2024.