WASET
    S.G.Venkatesh and  S.K.Ayyaswamy and  G.Hariharan,  Haar wavelet Method for Solving Initial and Boundary Value Problems of Bratu-type.   journal   = {International Journal of Mathematical and Computational Sciences}, [online]. World Academy of Science, Engineering and Technology.
    July 2010, vol. 43(7). 914 - 917
    [viewed 19 April 2024]. Available from: https://publications.waset.org/pdf/4590.