References
- Artalejo, J. R. and Gomez-Corral, A. (2008). Retrial Queueing Systems. Springer-Verlag, Berlin.
- Artalejo, J. R., Orlovsky, D. S. and Dudin, A. N. (2005). Multi-server retrial model with variable number of active servers. Computers & Industrial Engineering, 48, 273–288.
- Berman, O. and Kim, E. (1999). Stochastic models for inventory management at service facilities. Stochastic Models, 15(4), 695–718.
- Bright, L. and Taylor, P. (1995). Calculating the equilibrium distribution in level dependent quasi-birth-and-death processes. Communications in Statistics. Stochastic Models, 11(3), 497–525.
- Chakravarthy, S. R., Krishnamoorthy, A. and Joshua, V. C. (2006). Analysis of a multi-server retrial queue with search of customers from the orbit. Performance Evaluation, 63, 776–798.
- Chong, E. K. P. and Zak, S. H. (1996). An Introduction to Optimization. John Wiley and Sons, New York.
- Falin, G. I. and Templeton, J. G. C. (1997). Retrial Queues. Chapman and Hall, London.
- He, Q. M. (1996). Queues with marked customers. Advances in Applied Probability, 28, 567–587.
- Kim, C. S., Klimenok, V., Mushko, V. and Dudin, A. (2010). The BMAP/PH/N retrial queueing system operating in Markovian random environment. Computers & Operations Research, 37, 1228–1237.
- Krishnamoorthy, A. and Jose, K. P. (2007). Comparison of inventory systems with service, positive lead-time, loss, and retrial of customers. Journal of Applied Mathematics and Stochastic Analysis, 2007, 1–23.
- Krishnamoorthy, A., Narayanan, V. C, Deepak, T. G. and Vineetha, P. (2006). Control policies for inventory with service time. Stochastic Analysis and Applications, 24(4), 889–899.
- Kumar, B. K., Rukmani, R. and Thangaraj, V. (2008). Analysis of MAP/PH(1), PH(2)/2 queue with Bernoulli vacations. Journal of Applied Mathematics and Stochastic Analysis, 2008, 1–20.
- Lucantoni, D. M., Meier-Hellstern, K. S. and Neuts, M. F. (1990). A single server queue with server vacations and a class of non-renewal arrival processes. Advances in Applied Probability, 22, 676–705.
- Neuts, M. F. (1994). Matrix-Geometric Solutions in Stochastic Models. Dover Publications, New York.
- Neuts, M. F. and Rao, B. M. (1990). Numerical investigation of a multiserver retrial model, Queueing Systems, 7, 169–190.
- Sivakumar, B. and Arivarignan, G. (2008). A modified lost sales inventory system with two types of customers. Quality Technology & Quantitative Management, 5(4), 339–349.
- Venkataraman, P. (2002). Applied Optimization with MATLAB Programming. John Wiley and Sons, New York.
- Zhao, N. and Lian, Z. (2011). A queueing-inventory system with two classes of customers. International Journal of Production Economics, 129, 225–231.