Comments on Some Algebraic Properties of the Gauge Equivalent Soliton Equations. Journal of Partial Differential Equations, [S. l.], v. 2, n. 3, p. 39–50, 1989. Disponível em: https://www.global-sci.com/index.php/jpde/article/view/3626. Acesso em: 5 dec. 2025.