@ARTICLE{comparative2015,
     Title={Comparative study of harr wavelet with numerical methods for partial differential equations},
     Author={Sangeeta Arora,Inderdeep Singh, Yadwinder Singh Brar and Sheo Kumar},
     Journal={International Journal of Pure and Applied Mathematics},
     Volume={101},
     Number={4},
     Pages={},
     Publisher={},
     Year={2015}
}