YEZHOV, I. I.; KADANKOV, V. F. On the generating function of the time of first hitting the boundary by a semicontinuous difference of independent renewal processes with discrete time. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 52, n. 4, p. 553–561, 2000. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/4446. Acesso em: 5 dec. 2025.