WASET
    Peichen Zhao,  The Study of the Discrete Risk Model with Random Income.   journal   = {International Journal of Mathematical and Computational Sciences}, [online]. World Academy of Science, Engineering and Technology.
    December 2011, vol. 60(12). 1890 - 1894
    [viewed 20 April 2024]. Available from: https://publications.waset.org/pdf/12963.