1. L. G. Afanas'eva and E. V. Bulinskaya, “Some asymptotic results for random walks in a band,” Teoriya Veroyatnostei i Ee Primeneniya,29, No. 4, 655–668 (1984).
2. A. A. Borovkov, “Random walk in a band with delaying boundaries,” Mat Zametki,17, No. 4, 649–669 (1975).
3. A. A. Borovkov, Probabilistic Processes in Queueing Theory [in Russian], Nauka, Moscow (1972).
4. B. V. Gnedenko and I. N. Kovalenko, Introduction to Queueing Theory [in Russian], Nauka, Moscow (1966).
5. V. I. Lotov, “Random walks in a band,” Teoriya Veroyatnostei i Ee Primeneniya,36, No. 1, 160–165 (1991).