1. Shaked, M. & Shanthikumar, J.G. (1994).Stochastic orders and their applications.New York:Academic Press.
2. Mandelbaum, A. & Yechiali, U. (1979).Individual optimization in the M/GI/1queue, Appendix A.Technical Report,Department of Statistics, Tel Aviv University.
3. Fakinos, D. (1982).The expected remaining service time in a single server queue.Operations Research 30(5):1014–1017.