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 20 September 2024]. Available from: https://publications.waset.org/pdf/4590.