Hawlader, Faisal, and Nahida Akter. “New Closed-Form Soliton Solutions for the Tzitzeica Dodd Bullough Equation Arising Nonlinear Optics via Three Distinct Re-Liable Approaches”. International Journal of Physical Research 9, no. 1 (January 13, 2021): 11–26. Accessed May 2, 2024. https://sciencepubco.com/index.php/IJPR/article/view/31271.