Magdy G. Asaad,  Exact Pfaffian and N-Soliton Solutions to a (3+1)-Dimensional Generalized Integrable Nonlinear Partial Differential Equations.   journal   = {International Journal of Mathematical and Computational Sciences}, [online]. World Academy of Science, Engineering and Technology.
    April 2013, vol. 76(4). 627 - 634
    [viewed 19 March 2024]. Available from: https://publications.waset.org/pdf/2530.