WASET
    Hong Li and  Shou-ming Zhong and  Hou-biao Li,  Stability of Interval Fractional-order Systems with Order 0 < α < 1.   journal   = {International Journal of Mathematical and Computational Sciences}, [online]. World Academy of Science, Engineering and Technology.
    August 2012, vol. 68(8). 987 - 991
    [viewed 25 April 2024]. Available from: https://publications.waset.org/pdf/1954.