Eigenvalue location and condition number bounds of even grade polynomial eigenvalue problems. Gulf Journal of Mathematics, [S. l.], v. 20, n. 1, p. 360–380, 2025. DOI: 10.56947/gjom.v20i.2993. Disponível em: https://www.gjom.org/index.php/gjom/article/view/2993. Acesso em: 19 aug. 2026.