Montealegre Scott, J. (2008) Initial value problem for a coupled system of Kadomtsev-Petviashvili II equations in Sobolev spaces of negative indices, Pro Mathematica, 22(43-44), pp. 67-88. Disponible en: https://revistas.pucp.edu.pe/index.php/promathematica/article/view/10257 (Accedido: 30noviembre2022).