T.Siva Subramania Raja, S.Padmasekaran, R.Asokan, and G.Ramkumar. “Symmetry Classifications and Reductions of (2+1)- Dimensional Korteweg-De Vries Equation”. International Journal of Current Research in Science and Technology, Vol. 2, no. 3, Mar. 2016, pp. 1-10, https://crst.gfer.org/index.php/crst/article/view/65.