F. F. MENDE. Mende Transformations in the Concept of Scalar-Vector Potential. Global Journal of Science Frontier Research, [S. l.], v. 18, n. A1, p. 31–38, 2018. Disponível em: https://journalofscience.org/index.php/GJSFR/article/view/2144. Acesso em: 4 may. 2024.