Ziping Li and Yongkun Li, Almost Periodic Sequence Solutions of a Discrete Cooperation System with Feedback Controls. journal = {International Journal of Mathematical and Computational Sciences}, [online]. World Academy of Science, Engineering and Technology. August 2011, vol. 56(8). 1331 - 1339 [viewed 25 April 2024]. Available from: https://publications.waset.org/pdf/7340.