M. A. A. Abdelkawy, O. H. H. El-Kalaawy, R. B. B. Al-Denari, and A. Biswas, “Application of fractional sub-equation method to nonlinear evolution equations”, NAMC, vol. 23, no. 5, pp. 710–723, Oct. 2018, doi: 10.15388/NA.2018.5.5.