Chuanjian Wang and  Changfu Liu and  Zhengde Dai,  The Direct Ansaz Method for Finding Exact Multi-Wave Solutions to the (2+1)-Dimensional Extension of the Korteweg de-Vries Equation.   journal   = {International Journal of Mathematical and Computational Sciences}, [online]. World Academy of Science, Engineering and Technology.
    August 2013, vol. 77(5). 872 - 874
    [viewed 19 March 2024]. Available from: https://publications.waset.org/pdf/16756.