Vladislav N. Dumachev and  Vladimir A. Rodin,  Behavior of Solutions of the System of Recurrence Equations Based on the Verhulst-Pearl Model.   journal   = {International Journal of Computer and Information Engineering}, [online]. World Academy of Science, Engineering and Technology.
    July 2009, vol. 31(7). 1803 - 1805
    [viewed 23 April 2024]. Available from: https://publications.waset.org/pdf/12841.