IVANCHENKO, Y. M.; LISYANSKY, A. A.; FILIPPOV, A. E.; RADIEVSKY, A. V. Developed fluctuations and localized excitations in high-T_c and heavy-fermion systems. ФІЗИКА НИЗЬКИХ ТЕМПЕРАТУР, Харків, Україна, v. 17, n. 9, p. 1146–1149, 1991. Disponível em: http://fnt.ilt.kharkiv.ua/index.php/fnt/article/view/f17-1146e. Acesso em: 5 трав. 2024.