Cost Analysis of the M/M/R Machine Repair Problem with Spares and Two Modes of Failure
研究了带有备件和两种故障模式的M/M/R机器维修系统的成本问题，通过模型分析帮助运营管理者优化维修资源配置。
Kuo-Hsiung Wang, Jiunn-Dar Wu, Cost Analysis of the M/M/R Machine Repair Problem with Spares and Two Modes of Failure, The Journal of the Operational Research Society, Vol. 46, No. 6 (Jun., 1995), pp. 783-790