Tapas Kumar Sinha and  Joseph Mathew,  Solution of The KdV Equation with Asymptotic Degeneracy.   journal   = {International Journal of Physical and Mathematical Sciences}, [online]. World Academy of Science, Engineering and Technology.
    March 2012, vol. 63(3). 213 - 216
    [viewed 16 April 2024]. Available from: https://publications.waset.org/pdf/1871.