F. F. MENDE. New Methods for Solving the Problem of Radiation and Propagation of Electromagnetic Waves. Global Journal of Science Frontier Research, [S. l.], v. 18, n. A4, p. 7–24, 2018. Disponível em: https://journalofscience.org/index.php/GJSFR/article/view/2257. Acesso em: 6 may. 2024.