Kejun Zhuang and  Hailong Zhu,  Dynamics and Feedback Control for a New Hyperchaotic System.   journal   = {International Journal of Mathematical and Computational Sciences}, [online]. World Academy of Science, Engineering and Technology.
    August 2012, vol. 68(8). 809 - 812
    [viewed 30 March 2020]. Available from: https://publications.waset.org/pdf/1769.