Diego Garijo,  Bernstein-Galerkin Approach for Perturbed Constant-Coefficient Differential Equations, One-Dimensional Analysis.   journal   = {International Journal of Physical and Mathematical Sciences}, [online]. World Academy of Science, Engineering and Technology.
    October 2013, vol. 83(11). 1559 - 1566
    [viewed 10 May 2024]. Available from: https://publications.waset.org/pdf/17281.