[1] J. R. Artalejo and A. Gomez-Corral, Retrial Queueing Systems, A
Computational Approach, Springer-Verlag, Berlin Heidelberg, 2008.
[2] G. Bolch, S. Greiner, H. De-Meer and K. S. Trivedi, Queueing
Networks and Markov Chains, 2nd Edition, John Wiley & Sons, New
Jersey, 2006.
[3] B. Bouchon-Meunier, La Logique Floue et Ses Applications,
Addison-Wesley France, Paris, 1995.
[4] J. J. Buckley and E. Eslami, An Introduction to Fuzzy Logic and
Fuzzy Sets, Springer-Verlag, Berlin Heidelberg, 2002.
[5] J. J. Buckley, E. Eslami and T. Feuring, Fuzzy Mathematics in
Economics and Engineering, Physica-Verlag, Heidelberg, 2010.
[6] J. E. Diamond and A. S. Alpha, Approximation method for M/PH/I
retrial queues with phase type inter-retrial times, Eur. Journ. Oper.
Res., 113 (1999), 620-6312.
[7] D. Dubois and H. Prade, Fuzzy Sets and Systems: Theory and
Applications, Academic Press, New York, 1980.
[8] A. N. Dudin, A. Krishnamoorthy, A. V. C. Joshua and G. V.
Tsarenkov, Analysis of the BMAP/G/I retrial system with search of
customers from the orbit, Eur. J. Oper. Res., 157 (2004), 169-179.
[9] G. I. Falin and J. G. C. Templeton, Retrials Queues,
Springer-Sciences + Business Media, London, 1997.
[10] I. Florea and C.-S. Nanau, An algorithmic approach of retrial
queueing system with one serving station, Part I: The description of
the simulation algorithm, Bulletin of the Transilvania University of
Brasov; Série III: Mathematics, Informatics, Physics 6(2) (2013),
95-106.
[11] D. Gross, J. F. Shortie, J. M. Thompson and C. M. Harris,
Fundamentals of Queueing Theory, Fourth Edition, Wiley, New Jersey,
USA, 2008.
[12] M. Hanss, Applied Fuzzy Arithmetic, An Introduction with
Engineering Applications, Springer-Verlag, Berlin Heidelberg, 2005.
[13] M. Jeeva and E. Rathnakumari, Fuzzy cost computations of M/M/1
and M/G/1 queueing models, British Journal of Mathematics and Computer
Science 4(1) (2014), 120-132.
[14] J.-C. Ke, H.-I. Huang and C.-H. Lin, On retrial queueing model
with fuzzy parameter, Physica A 374 (2007), 272-280.
[15] M. J. Lopez-Herrero, On the number of customers served in the
M/G/I retrial queue: First moments and maximum entropy approach,
Comput. Oper. Res. 29 (2002), 1739-1757.
[16] K. J. R. Mary, P. Monica and S. Mythili, Performance measures of
FM/FM/1 queueing system with N-policy, International Journal of
Physics and Mathematical Sciences 4(3) (2014), 5-10.
[17] J. P. Mukeba, R. Mabela and B. Ulungu, Sur la multiplication des
nombres flous de type L-R, Annals of Faculty of Sciences, University
of Kinshasa, 1 (2014), 33-40.
[18] J. P. Mukeba, R. Mabela and B. Ulungu, Computing fuzzy queueing
performance measures by L-R method, Journal of Fuzzy Sets Valued
Analysis 1 (2015), 57-67.
http://dx.doi.org/10.5899/2015/jfsva-00226<
br />
[19] J. P. Mukeba, R. Mabela and B. Ulungu, Performance measures of a
product form queueing network with fuzzy parameters, Journal of Fuzzy
Sets Valued Analysis 1 (2015), 68-77.
http://dx.doi.org/10.5899/2015/jfsva-00228<
br />
[20] W. Rita and L. Robert, Application of fuzzy set theory to retrial
queues, International Journal of Algorithms, Computing and Mathematics
2(4) (2009), 9-18.
[21] T. Yang and J. G. C. Templeton, A survey on retrial queues,
Queueing Systems 2 (1987), 201-203.
[22] L. A. Zadeh, Fuzzy sets, Information and Control 8 (1965),
338-353.
http://dx.doi.org/10.1016/S0019-9958(65)90241-X
[23] H.-J. Zimmermann, Fuzzy Set Theory and its Applications, Fourth
Edition, Springer Science + Business Media, New-York, 2001.
http://dx.doi.org/10.1007/978-94-010-0646-0