F. F. MENDE. Is there a Magnetic Field and a Vector Potential of the Electric Field. Global Journal of Science Frontier Research, [S. l.], v. 18, n. A10, p. 49–56, 2018. Disponível em: https://journalofscience.org/index.php/GJSFR/article/view/2371. Acesso em: 6 may. 2024.