ČIUPAILA, Regimantas; SAPAGOVAS, Mifodijus; PUPALAIGĖ, Kristina. M-matrices and convergence of finite difference scheme for parabolic equation with integral boundary condition. Mathematical Modelling and Analysis, [S. l.], v. 25, n. 2, p. 167–183, 2020. DOI: 10.3846/mma.2020.8023. Disponível em: https://journals.vilniustech.lt/index.php/MMA/article/view/8023. Acesso em: 9 may. 2025.