MAMATOV ALISHER ZULUNOVICH ET AL. Obtaining a Priori Error Estimate An Approximate Solution for a Parabolic Type Problem with a Divergent Principal Part. International Journal of Modern Agriculture, [S. l.], v. 10, n. 2, p. 3958 - 3963, 2021. Disponível em: https://modern-journals.com/index.php/ijma/article/view/1271. Acesso em: 3 may. 2024.