«Initial value problem for a coupled system of Kadomtsev-Petviashvili II equations in Sobolev spaces of negative indices», ProMath, vol. 22, n.º 43-44, pp. 67–88, sep. 2008, Accedido: sep. 19, 2026. Disponible en: https://revistas.pucp.edu.pe/index.php/promathematica/article/view/10257