David HERTZ. Eigenvalues of Complex Matrices and their Real Counterpart with Enhanced Lower Bounds for Interval Hermitian Matrices. Research Updates in Mathematics and Computer Science Vol. 2, [S. l.], p. 59–69, 2024. DOI: 10.9734/bpi/rumcs/v2/3181G. Disponível em: https://stm.bookpi.org/RUMCS-V2/article/view/13944. Acesso em: 21 jul. 2026.