IDRUS, N. M.; TING, T. Y.; MASRI, R.; SARMIN, N. H.; HASSIM, H. I. M. The Generalization of the Exterior Square of a Bieberbach Group with Symmetric Point Group. Journal of Informatics and Mathematical Sciences, [S. l.], v. 8, n. 4, p. 295–299, 2016. DOI: 10.26713/jims.v8i4.559. Disponível em: http://www.rgnpublications.com/journals/index.php/jims/article/view/559. Acesso em: 2 may. 2024.