Tanapat Brikshavana and  Anirut Luadsong,  Splitting Modified Donor-Cell Schemes for Spectral Action Balance Equation.   journal   = {International Journal of Physical and Mathematical Sciences}, [online]. World Academy of Science, Engineering and Technology.
    July 2010, vol. 43(7). 1016 - 1024
    [viewed 04 April 2020]. Available from: https://publications.waset.org/pdf/4592.