Reznikov Є.; Skalozub В. Three-photon Vertex in a Dense Fermionic Medium. Ukrainian Journal of Physics, [S. l.], v. 56, n. 6, p. 594, 2022. DOI: 10.15407/ujpe56.6.594. Disponível em: https://ujp.bitp.kiev.ua/index.php/ujp/article/view/2022081. Acesso em: 27 may. 2024.