Kobayashi, T.; Toda, K.
(Symmetry, Integrability and Geometry: Methods and Applications, 2006)
The general KdV equation (gKdV) derived by T. Chou is one of the famous (1 + 1) dimensional soliton equations with variable coefficients. It is well-known that the gKdV equation is integrable. In this paper a higher-dimensional ...