WASET
    Bhanu Gupta,  Ψ-Eventual Stability of Differential System with Impulses.   journal   = {International Journal of Mathematical and Computational Sciences}, [online]. World Academy of Science, Engineering and Technology.
    September 2011, vol. 57(9). 1542 - 1546
    [viewed 24 April 2024]. Available from: https://publications.waset.org/pdf/9824.