1. KARLIN, S., and FABENS, A., The (s, S) Inventory Model under Markovian Demand Process, Mathematical Methods in the Social Sciences, Edited by K. Arrow, S. Karlin, and P. Suppes, Stanford University Press, Stanford, California, pp. 159–175, 1960.
2. SONG, J. S., and ZIPKIN, P., Inventory Control in a Fluctuating Demand Environment, Operations Research, Vol. 41, pp. 351–370, 1993.
3. SETHI, S., and CHENG, F., Optimality of (s, S) Policies in Inventory Models with Markovian Demand, Operations Research (to appear).
4. OZEKICI, S., and PARLAR, M., Periodic Review Inventory Models in Random Environment, Working Paper, Bogazici University, Istanbul, Turkey, 1995.
5. ARAPOSTATHIS, A., BORKAR, V. S., FERNANDEZ-GAUCHERAND, E., GHOSH, M. K., and MARCUS, S. I., Discrete-Time Controlled Markov Processes with Average Cost Criterion: A Survey, SIAM Journal on Control and Optimization, Vol. 31, pp. 282–344, 1993.