ROSSLER, Otto E. “SCHWINGER-THEOREM”: ASCENDING PHOTONS IN EQUIVALENCE PRINCIPLE IMPLY GLOBALLY CONSTANT c IN GENERAL RELATIVITY. European Scientific Journal, ESJ, [S. l.], v. 10, n. 3, 2014. DOI: 10.19044/esj.2014.v10n3p%p. Disponível em: https://test.eujournal.org/index.php/esj/article/view/2608. Acesso em: 3 jun. 2025.