Approximate Localized Waves and Residual Diagnostics for a Damped Nonplanar Time–Fractional Korteweg–de Vries Equation. Eur. J. Pure Appl. Math. [Internet]. 2026 Jul. 28 [cited 2026 Jul. 28];19(2):7627. Available from: https://www.ejpam.com/ejpam/article/view/7627