MATUS, A. P.; MATUS, P. P. The maximum principle and its application for the analysis of difference schemes. Mathematical Modelling and Analysis, [S. l.], v. 6, n. 2, p. 289–299, 2001. DOI: 10.3846/13926292.2001.9637168. Disponível em: https://journals.vilniustech.lt/index.php/MMA/article/view/9917. Acesso em: 17 may. 2025.