Vitalice K. Oduol and  C. Ardil,  System Overflow/Blocking Transients For Queues with Batch Arrivals Using a Family of Polynomials Resembling Chebyshev Polynomials.   journal   = {International Journal of Electrical and Computer Engineering}, [online]. World Academy of Science, Engineering and Technology.
    September 2012, vol. 67(7). 731 - 737
    [viewed 26 January 2020]. Available from: https://publications.waset.org/pdf/3687.