FELIPE, Raúl; VELÁSQUEZ, Raúl. Equations of Lax type with several brackets. Revista de Ciencias, [S. l.], v. 19, n. 2, p. 14, 2015. DOI: 10.25100/rc.v19i2.6272. Disponível em: https://revistaciencias.univalle.edu.co/index.php/revista_de_ciencias/article/view/6272. Acesso em: 16 feb. 2026.