1. A. Aïssani, “An MX/G/1 retrial queue with unreliable server and vacations,” in: Proceedings of the 17th European Simulation Multiconference, Nottingham, UK (2003), pp. 175–180.
2. D. Aïssani and N.V. Kartashov, “Ergodicity and stability of Markov chains with respect to operator topology in the space of transition kernels,” Dokl. Akad. Nauk Uk. SSR, 12, No. 3, 1–4 (1983).
3. D. Aïssani and N.V. Kartashov, “Strong stability of imbedded Markov chains in an M/G/1 System,” Theory Probab. Math. Stat., 29, 1–5 (1984).
4. J. R. Artalejo and G. I. Falin, “Stochastic decomposition for retrial queues,” Oper. Res., 2, No. 2, 329–342 (1994).
5. A. A. Borovkov, Ergodicity and Stability of Stochastic Processes, John Wiley (1998).