Y. THANOON, T.; THAHER SHALAL, O. Studying the Bessell Equation of Complex Order. AL-Rafidain Journal of Computer Sciences and Mathematics, [S. l.], v. 13, n. 2, p. 13–27, 2019. DOI: 10.33899/csmj.2020.163517 . Disponível em: https://csmj.uomosul.edu.iq/index.php/csmj/article/view/36919. Acesso em: 22 sep. 2025.