Superconvergence Error Estimates of the Lowest-Order Raviart-Thomas Galerkin Mixed Finite Element Method for Nonlinear Thermistor Equations. JCM [Internet]. 2025 Oct. 30 [cited 2026 Mar. 15];43(6):1548-74. Available from: https://gsp.tricubic.dev/JCM/article/view/23113