KTITOROV, S. A.; PETROV, Y. V. Supersymmetry and the 2D electron density of states problem for-impurity systems in a strong magnetic field. ФІЗИКА НИЗЬКИХ ТЕМПЕРАТУР, Харків, Україна, v. 17, n. 9, p. 1127–1130, 1991. Disponível em: https://fnt.ilt.kharkov.ua/index.php/fnt/article/view/f17-1127e. Acesso em: 19 трав. 2024.