WASET
    Sarun Phibanchon and  Michael A. Allen,  Instability of Soliton Solutions to the Schamel-nonlinear Schrödinger Equation.   journal   = {International Journal of Physical and Mathematical Sciences}, [online]. World Academy of Science, Engineering and Technology.
    January 2012, vol. 61(1). 18 - 20
    [viewed 29 March 2024]. Available from: https://publications.waset.org/pdf/10680.