Zina Benouaret and  Djamil Aissani,  Stability Bound of Ruin Probability in a Reduced Two-Dimensional Risk Model.   journal   = {International Journal of Physical and Mathematical Sciences}, [online]. World Academy of Science, Engineering and Technology.
    May 2018, vol. 137(5). 85 - 88
    [viewed 08 April 2020]. Available from: https://publications.waset.org/pdf/10009078.