“Unconditionally Maximum-Principle-Preserving Parametric Integrating Factor Two-Step Runge-Kutta Schemes for Parabolic Sine-Gordon Equations”. CSIAM Transactions on Applied Mathematics 4, no. 1 (January 9, 2023): 177–224. Accessed February 26, 2026. https://global-sci.com/index.php/csiam-am/article/view/7826.