IYER, P. K. Use of generalized birth and death process in solving queuing problems. Defence Science Journal, [S. l.], v. 9, n. 4, p. 249–254, 2014. DOI: 10.14429/dsj.9.7632. Disponível em: https://publications.drdo.gov.in/ojs/index.php/dsj/article/view/7632. Acesso em: 15 jun. 2025.