Hussain, Akhtar, Muhammad Usman, Fiazuddin Zaman, and Ahmed M. M. Zidan. “Lie Group Analysis and Its Invariants for the Class of Multidimensional Nonlinear Wave Equations”. Nonlinear Analysis: Modelling and Control 29, no. 6 (December 1, 2024): 1167–1185. Accessed May 24, 2025. https://www.zurnalai.vu.lt/nonlinear-analysis/article/view/37853.