КІРХАР, Н. В. Analysis of the ticket as a queuing system. Problems of Informatization and Control, [S. l.], v. 3, n. 43, p. 49–53, 2013. DOI: 10.18372/2073-4751.3.6415. Disponível em: http://jrnl.kai.edu.ua/index.php/PIU/article/view/6415. Acesso em: 14 jun. 2026.