The partial differential equation u_t + u_(x x x) - 6u u_x = 0 (Lamb 1980; Zwillinger 1997, p. 175), often abbreviated "KdV."

Gardner equation | Kadomtsev-Petviashvili equation | Korteweg-de Vries-Burgers equation | Krichever-Novikov equation | regularized long-wave equation | soliton