Koparan, Murat. “Derivation of Sawada-Kotera and Kaup-Kupershmidt Equations KdV Flow Equations from Modified Nonlinear Schrödinger Equation (MNLS)ns from Modfied Nonlinear Schrödinger Equation (MNLS)”. Contemporary Mathematics 5, no. 4 (October 14, 2024): 4223–4234. Accessed October 18, 2024. https://ojs.wiserpub.com/index.php/CM/article/view/4648.