A. Manaa S, Y. Hawell L. The Finite Difference Methods for φ4 Klein-Gordon Equation. RJCSM [Internet]. 2008 Dec. 7 [cited 2025 Dec. 18];5(2):47-63. Available from: https://csmj.uomosul.edu.iq/index.php/csmj/article/view/36989