USAR, I. Ya.; MAKUSHENKO, I. A. Analysis and optimization of retrial systems and queue with variable rate of input flow. Bulletin of Taras Shevchenko National University of Kyiv. Physics and Mathematics, [S. l.], n. 3, p. 130–134, 2020. DOI: 10.17721/1812-5409.2020/3.15. Disponível em: https://bphm.knu.ua/bphm/article/view/194. Acesso em: 15 oct. 2026.