Falade , K. I., and A. T. Tiamiyu. “A Newly Formulated Algorithm for the Numerical Solution of Nonlinear Klein-Gordon Equation”. Journal of the Nigerian Mathematical Society 41, no. 1 (April 28, 2022): 13–25. Accessed May 16, 2022. https://ojs.ictp.it/jnms/index.php/jnms/article/view/780.