Mishra , PankajSharma , Kapil K.Pani , Amiya K. and Fairweather , Graeme. (2019). Orthogonal Spline Collocation for Singularly Perturbed Reaction Diffusion Problems in One Dimension.
            <i>International Journal of Numerical Analysis and Modeling</i>. <i>16</i> (4).
            647-667.
         doi: