Lianglin Xiong and  Yun Zhao and  Tao Jiang,  Stability Analysis of Linear Fractional Order Neutral System with Multiple Delays by Algebraic Approach.   journal   = {International Journal of Mathematical and Computational Sciences}, [online]. World Academy of Science, Engineering and Technology.
    April 2011, vol. 52(4). 617 - 620
    [viewed 09 August 2020]. Available from: https://publications.waset.org/pdf/4678.