Kejun Zhuang and Zhaohui Wen, Global Existence of Periodic Solutions in a Delayed Tri–neuron Network. journal = {International Journal of Mathematical and Computational Sciences}, [online]. World Academy of Science, Engineering and Technology. July 2011, vol. 55(7). 993 - 995 [viewed 11 May 2024]. Available from: https://publications.waset.org/pdf/1424.