ZHANG, Tianwei and LI, Yongkun. Global exponential stability and existence of anti-periodic solutions to impulsive Cohen-Grossberg neural networks on time scales. Topological Methods in Nonlinear Analysis. Online. 1 June 2015. Vol. 45, no. 2, pp. 363 - 384. [Accessed 27 April 2024]. DOI 10.12775/TMNA.2015.018.