Matthias Dehmer1 Jürgen Kilian,  On Bounds For The Zeros of Univariate Polynomial.   journal   = {International Journal of Mathematical and Computational Sciences}, [online]. World Academy of Science, Engineering and Technology.
    February 2007, vol. 2(2). 142 - 147
    [viewed 24 April 2024]. Available from: https://publications.waset.org/pdf/5624.