WASET
    Daiming Wang,  Positive Periodic Solutions for a Neutral Impulsive Delay Competition System.   journal   = {International Journal of Mathematical and Computational Sciences}, [online]. World Academy of Science, Engineering and Technology.
    December 2011, vol. 60(12). 2017 - 2021
    [viewed 23 April 2024]. Available from: https://publications.waset.org/pdf/13056.