Drinfeld–Sokolov–Wilson equation

The Drinfeld-Sokolov-Wilson equation, or DSW equations, is a system of two coupled nonlinear partial differential equations proposed by Drinfeld, Vladimir Sokolov, and George Wilson：

${\begin{aligned}&{\frac {\partial u}{\partial t}}+3v{\frac {\partial v}{\partial x}}=0\\&{\frac {\partial v}{\partial t}}=2{\frac {\partial ^{3}v}{\partial x^{3}}}+{\frac {\partial u}{\partial x}}v+2u{\frac {\partial v}{\partial x}}\end{aligned}}$

Reference

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