LIEN, P. H. Free Energy Density for Gauge Background Fields at Finite Temperature. Communications in Physics, [S. l.], v. 21, n. 3, p. 277, 2011. DOI: 10.15625/0868-3166/21/3/179. Disponível em: https://vjs.ac.vn/index.php/cip/article/view/179. Acesso em: 28 mar. 2024.