Bhanu Gupta and Sanjay K. Srivastava, ψ-exponential Stability for Non-linear Impulsive Differential Equations. journal = {International Journal of Mathematical and Computational Sciences}, [online]. World Academy of Science, Engineering and Technology. August 2010, vol. 44(8). 1159 - 1162 [viewed 19 September 2024]. Available from: https://publications.waset.org/pdf/5781.