Bounds on Real and Imaginary Parts of Non-Real Eigenvalues of a Non-Definite Sturm-Liouville Differential Equation with Cauchy Boundary Conditions. JUBPAS [Internet]. 2019 Sep. 8 [cited 2025 Apr. 19];27(4):230-5. Available from: https://journalofbabylon.com/index.php/JUBPAS/article/view/2473