HASAN, S. S.; ALAM, M. N.; UDDIN, M. S.; HASAN, M. S.; AKBAR, M. A. Exact traveling wave solutions of the fifth-order KdV equation via the new approach of generalized (G /G) -expansion method. International Journal Of Mathematics And Computer Research, v. 1, n. 11, p. 283-302, 15 dez. 2013.