KRUSHNA, . B. M. B.; PANDA, S. K.; ALSULAMI, H. .; HUSSAIN, N. . A Novel Fixed Point Framework for Positive Solutions to Coupled Undamped Sturm-Liouville Systems. Contemporary Mathematics , [S. l.], v. 6, n. 6, p. 7564–7578, 2025. DOI: 10.37256/cm.6620257733. Disponível em: https://ojs.wiserpub.com/index.php/CM/article/view/7733. Acesso em: 1 jan. 2026.