Freire, Fernando O., e Claudio Andrade Macedo. “The Two-Dimensional Hubbard Model in the Hartree-Fock Approximation”.
Scientia Plena
4, no. 12 (novembro 19, 2011). Acessado abril 7, 2025. https://scientiaplena.emnuvens.com.br/sp/article/view/652.