KOHAUPT, L. Generalized Rayleigh-quotient Formulas for the Real Parts, Imaginary Parts, and Moduli of the Eigenvalues of Diagonalizable Matrices. JOURNAL OF ADVANCES IN MATHEMATICS, [S. l.], v. 14, n. 2, p. 7702–7728, 2018. DOI: 10.24297/jam.v14i2.7373. Disponível em: https://rajpub.com/index.php/jam/article/view/7373. Acesso em: 6 may. 2024.