GORBAR, E.; GUSYNIN, V.; SOBOL, O. Electron states in the field of charged impurities in two-dimensional Dirac systems (Review Article): . ФІЗИКА НИЗЬКИХ ТЕМПЕРАТУР, Харків, Україна, v. 44, n. 5, p. 491–524, 2018. DOI: 10.1063/1.5034149. Disponível em: https://fnt.ilt.kharkiv.ua/index.php/fnt/article/view/f44-0491e. Acesso em: 17 трав. 2024.