SABININ, Vladimir. On incomplete factorization implicit technique for 2D elliptic FD equations. Mathematical Modelling and Analysis, [S. l.], v. 25, n. 1, p. 37–52, 2020. DOI: 10.3846/mma.2020.8485. Disponível em: https://journals.vilniustech.lt/index.php/MMA/article/view/8485. Acesso em: 9 may. 2025.