References
- Andradottir , S. 1995 . A stochastic approximation algorithm with varying bounds . Oper. Res. , 43 : 1037 – 1048 .
- Andradottir , S. 1996 . A scaled stochastic approximation algorithm . Manage. Sci. , 42 : 475 – 498 .
- Armstrong , M. J. 2002 . Age repair policies for the machine repair problem . Eur. J. Oper. Res. , 138 : 127 – 141 .
- Atkinson , J. B. 2000 . Some related paradoxes of queuing theory: new cases and a unifying explanation . J. Oper. Res. Soc. , 51 : 921 – 935 .
- Bazaraa , M. S. , Sherali , H. D. and Shetty , C. M. 1993 . Nonlinear Programming: Theory and Algorithm , (2nd edn) , Singapore : John Wiley .
- Buckley , J. J. 1990 . Elementary queueing theory based on possibility theory . Fuzzy Sets Syst. , 37 : 43 – 52 .
- Buckley , J. J. and Qu , Y. 1990 . On using alpha-cuts to evaluate fuzzy equations . Fuzzy Sets Syst. , 38 : 309 – 312 .
- Buckley , J. J. , Feuring , T. and Hayashi , Y. 2001 . Fuzzy queueing theory revisited . Int. J. Uncertainty Fuzziness Knowledge-Based Syst. , 9 : 527 – 537 .
- Cho , D. I. and Parlar , M. 1991 . A survey of maintenance models for multi-unit systems . Eur. J. Oper. Res. , 51 : 1 – 23 .
- Elsayed , E. A. 1981 . An optimum repair policy for the machine interference problem . J. Oper. Res. Soc. , 32 : 793 – 801 .
- Gross , D. and Harris , C. M. 1998 . Fundamentals of Queueing Theory , (3rd edn) , New York : John Wiley .
- Gross , D. and Ince , J. F. 1981 . The machine repair problem with heterogeneous populations . Oper. Res. , 29 : 532 – 549 .
- Hillier , F. S. and Lieberman , G. J. 2001 . Introduction to Operational Research , (7th edn) , Singapore : McGraw-Hill .
- Kaufmann , A. 1975 . Introduction to the Theory of Fuzzy Subsets , Vol. 1 , New York : Academic Press .
- Ke , J.-C. and Wang , K.-H. 1999 . Cost analysis of the M/M/R machine repair problem with balking, reneging, and server breakdowns . J. Oper. Res. Soc. , 50 : 275 – 282 .
- L'Ecuyer , P. , Giroux , N. and Glynn , P. W. 1994 . Stochastic optimization by simulation: numerical experiments with the M/M/1 queue in steady-state . Manage. Sci. , 40 : 1245 – 1261 .
- Posafalvi , A. and Sztrik , J. 1989 . On the heterogeneous machine interference problem with priority and ordinary machines . Eur. J. Oper. Res. , 41 : 54 – 63 .
- Stecke , K. E. and Aronson , J. E. 1985 . Review of operator/machine interference models . Int. J. Product. Res. , 23 : 129 – 151 .
- Suri , R. and Leung , Y. T. 1989 . Single run optimization of discrete event simulations—an empirical study using the M/M/1 queue . IIE Trans. , 21 : 35 – 49 .
- Sztrik , J. and Bunday , B. D. 1993 . Machine interference problem with a random environment . Eur. J. Oper. Res. , 65 : 259 – 269 .
- Wang , K.-H. 1990 . Profit analysis of the machine-repair problem with a single service station subject to breakdowns . J. Oper. Res. Soc. , 41 : 1153 – 1160 .
- Wang , K.-H. 1994 . Profit analysis of the M/M/R machine repair problem with spares and service breakdowns . J. Oper. Res. Soc. , 45 : 539 – 548 .
- Yager , R. R. 1981 . A procedure for ordering fuzzy subsets of the unit interval . Inform. Sci. , 24 : 143 – 161 .
- Yager , R. R. 1986 . A characterization of the extension principle . Fuzzy Sets Syst. , 18 : 205 – 217 .
- Yang , T. , Lee , R.-S. , Chen , M.-C. and Chen , P. 2005 . Queueing network model for a single-operator machine interference problem with external operations . Eur. J. Oper. Res. , 167 : 163 – 178 .
- Zadeh , L. A. 1978 . Fuzzy sets as a basis for a theory of possibility . Fuzzy Sets Syst. , 1 : 3 – 28 .
- Zimmermann , H. J. 2001 . Fuzzy Set Theory and its Applications , (4th edn) , Boston, MA : Kluwer-Nijhoff .