FARNANA, Z. . An Extension of Partial Differential Equations to Metric Spaces. مجلة كلية التربية طرابلس, [S. l.], v. 1, n. 18, p. 275–284, 2023. Disponível em: https://journals.uot.edu.ly/index.php/fej/article/view/863. Acesso em: 31 2026.