Ali RN, Gaftan AM. The Stability Of Crank – Nicholson and Explicit Methods for Numerical Solution for Sine – Gordon Equation. Tikrit J. Pure Sci. [Internet]. 2023 Aug. 25 [cited 2025 Aug. 3];28(4):88-96. Available from: https://tjpsj.org/index.php/tjps/article/view/1532