BUD, A. I. S.; CHERNISH, V. V. Phase transition of Lifshitz type in classical semiconductors. ФІЗИКА НИЗЬКИХ ТЕМПЕРАТУР, Харків, Україна, v. 17, n. 9, p. 1137–1141, 1991. Disponível em: https://fnt.ilt.kharkiv.ua/index.php/fnt/article/view/f17-1137e. Acesso em: 1 трав. 2024.