Daiming Wang,  Existence and Global Exponential Stability of Periodic Solutions of Cellular Neural Networks with Distributed Delays and Impulses on Time Scales.   journal   = {International Journal of Mathematical and Computational Sciences}, [online]. World Academy of Science, Engineering and Technology.
    December 2011, vol. 60(12). 2011 - 2016
    [viewed 19 May 2022]. Available from: https://publications.waset.org/pdf/10503.