Biazar, Jafar, and Zainab Ayati. “G’/G-Expansion/Method/for/Related/Equations/to/the/Zhiber–Shabat/Equation”. Global Journal of Mathematical Analysis 1, no. 3 (July 3, 2013): 97–103. Accessed August 18, 2025. https://mail.sciencepubco.com/index.php/GJMA/article/view/1090.