Incremental Unknowns for the Heat Equation with Time-Dependent Coefficients: Semi-Implicit $\theta$-Schemes and Their Stability. Journal of Computational Mathematics, [S. l.], v. 25, n. 5, p. 573–582, 2007. Disponível em: https://www.global-sci.com/index.php/JCM/article/view/11850. Acesso em: 5 dec. 2025.