Phollamat K, Ploymaklam N. An Invariant-Preserving Three-Level Linearized Finite Difference Method for the Korteweg-de Vries-Kawahara Equation with Added Viscosity Term. Thai J Math [Internet]. 2023 Sep. 29 [cited 2024 Jul. 3];:119-46. Available from: https://thaijmath2.in.cmu.ac.th/index.php/thaijmath/article/view/1475