ZLOTNIK, Alexander; KIREEVA, Olga. Practical error analysis for the three-level bilinear FEM and finite-difference scheme for the 1D wave equation with non-smooth data. Mathematical Modelling and Analysis, [S. l.], v. 23, n. 3, p. 359–378, 2018. DOI: 10.3846/mma.2018.022. Disponível em: https://journals.vilniustech.lt/index.php/MMA/article/view/2807. Acesso em: 9 may. 2025.