SITENKO, Y.; VLASII, N. Vacuum polarization in graphene with a topological defect: Graphene and graphite multilayers. ФІЗИКА НИЗЬКИХ ТЕМПЕРАТУР, Харків, Україна, v. 34, n. 10, p. 1049–1057, 2008. DOI: 10.1063/1.2981397. Disponível em: http://fnt.ilt.kharkiv.ua/index.php/fnt/article/view/f34-1049e. Acesso em: 3 трав. 2024.