Malika Yaici and  Kamel Hariche and  Tim Clarke,  A Contribution to the Polynomial Eigen Problem.   journal   = {International Journal of Mathematical and Computational Sciences}, [online]. World Academy of Science, Engineering and Technology.
    September 2014, vol. 94(10). 1331 - 1338
    [viewed 24 April 2024]. Available from: https://publications.waset.org/pdf/9999544.