Bounds on Real and Imaginary Parts of Non-Real Eigenvalues of a Non-Definite Sturm-Liouville Differential Equation with Cauchy Boundary Conditions. JOURNAL OF UNIVERSITY OF BABYLON for Pure and Applied Sciences, [S. l.], v. 27, n. 4, p. 230–235, 2019. Disponível em: https://journalofbabylon.com/index.php/JUBPAS/article/view/2473. Acesso em: 19 apr. 2025.