КОБА, О. В. Closed retrial queueing system D/M /1/ 0/ n. Problems of Informatization and Control, [S. l.], v. 4, n. 52, p. 50–54, 2015. DOI: 10.18372/2073-4751.4.10336. Disponível em: http://jrnl.kai.edu.ua/index.php/PIU/article/view/10336. Acesso em: 14 jun. 2026.