BOLIASOVA, O. O.; KRIVORUCHKO, V. N. Longitudinal Spin Dynamics in the Heisenberg Antiferromagnet: Two-Magnon Excitations. Ukrainian Journal of Physics, [S. l.], v. 65, n. 10, p. 865, 2020. DOI: 10.15407/ujpe65.10.865. Disponível em: https://ujp.bitp.kiev.ua/index.php/ujp/article/view/2020198. Acesso em: 27 nov. 2020.