NGA, P. T. T.; THANG, N. T. Magnetic Order in Heisenberg Models on Non-Bravais Lattice: Popov-Fedotov Functional Method. Communications in Physics, [S. l.], v. 29, n. 2, p. 119, 2019. DOI: 10.15625/0868-3166/29/2/13508. Disponível em: https://vjs.ac.vn/index.php/cip/article/view/13508. Acesso em: 29 nov. 2021.