M. M. Kassem and  A. S. Rashed,  Group Similarity Transformation of a Time Dependent Chemical Convective Process.   journal   = {International Journal of Mathematical and Computational Sciences}, [online]. World Academy of Science, Engineering and Technology.
    April 2008, vol. 16(4). 249 - 256
    [viewed 16 April 2024]. Available from: https://publications.waset.org/pdf/286.