A New Completely Integrable Liouville’s System Produced by the Ma Eigenvalue Problem. Journal of Partial Differential Equations, [S. l.], v. 10, n. 2, p. 123–135, 1997. Disponível em: https://global-sci.com/index.php/jpde/article/view/3849. Acesso em: 5 dec. 2025.