EXPLICIT FORMULAS FOR THE DERIVATIVES AND DECOMPOSITIONS BY THE POLYNOMIAL COEFFICIENTS AND EXTENSION TO HYPERBOLIC FUNCTIONS AS NEW SOLUTION PROTOTYPES FOR KdV EQUATION. Far East Journal of Dynamical Systems, [S. l.], v. 37, n. 1, p. 13–49, 2024. DOI: 10.17654/0972111824002. Disponível em: https://pphmjopenaccess.com/fejds/article/view/1572. Acesso em: 5 jan. 2026.