Zixin Liu and  Fangwei Chen,  Exponential Stability Analysis for Switched Cellular Neural Networks with Time-varying Delays and Impulsive Effects.   journal   = {International Journal of Mathematical and Computational Sciences}, [online]. World Academy of Science, Engineering and Technology.
    August 2010, vol. 44(8). 1125 - 1131
    [viewed 23 April 2021]. Available from: https://publications.waset.org/pdf/6423.