Existence of Eigenvalues and Boundedness of the Eigenfunctions and the Orthogonality of the Eigenfunctions of a Type of Spectral Problem. JUBPAS [Internet]. 2024 Jul. 1 [cited 2025 May 3];32(2):151-6. Available from: https://www.journalofbabylon.com/index.php/JUBPAS/article/view/5273