On existence theorems of periodic traveling wave solution to the generalized forced Kadomtsev-Petviashvili equation. Archives of Mechanics, [S. l.], v. 48, n. 5, p. 925–931, 1996. Disponível em: https://am.ippt.pan.pl/index.php/am/article/view/v48p925. Acesso em: 23 sep. 2025.