IVNITSKI, V. One-line random input rate and speed service system. Lithuanian Mathematical Journal, [S. l.], v. 6, n. 1, p. 41–50, 1966. DOI: 10.15388/LMJ.1966.19654. Disponível em: https://www.zurnalai.vu.lt/LMJ/article/view/19654. Acesso em: 2 jul. 2025.