Kumar, Naveen, Deepali Goyal, and S. C. Martha. “Algebraic Method for Approximate Solution of Scattering of Surface Waves by Thin Vertical Barrier Over a Stepped Bottom Topography”. Contemporary Mathematics 3, no. 4 (November 16, 2022): 500–513. Accessed November 21, 2024. https://ojs.wiserpub.com/index.php/CM/article/view/1711.