PANAYOTOVA, I. N. Coefficient stability of operator‐difference schemes with time variable operators. Mathematical Modelling and Analysis, [S. l.], v. 3, n. 1, p. 152–159, 1998. DOI: 10.3846/13926292.1998.9637098. Disponível em: https://journals.vilniustech.lt/index.php/MMA/article/view/9999. Acesso em: 2 jun. 2025.