Dai-xi, L., Li-hui, Y., & Zhang, Q.- hong. (2011). Existence and exponential stability of periodic solution for fuzzy BAM neural networks with periodic coefficient.
Ukrains’kyi Matematychnyi Zhurnal,
63(12), 1672-1684.
https://umj.imath.kiev.ua/index.php/umj/article/view/2833