WASET
    Yoshiaki Shikata and  Nobutane Hanayama,  Performance Evaluation of a Prioritized, Limited Multi-Server Processor-Sharing System That Includes Servers with Various Capacities.   journal   = {International Journal of Computer and Information Engineering}, [online]. World Academy of Science, Engineering and Technology.
    May 2016, vol. 115(7). 1301 - 1307
    [viewed 29 March 2024]. Available from: https://publications.waset.org/pdf/10004866.