9A9 Composite Loube I(re) I Magic Squares Infinite Abelian Group as a Miscellany Case of the 3A3 Loube I(re) I Magic Squares Infinite Abelian Group. Global Journal of Science Frontier Research, [S. l.], v. 15, n. F2, p. 71–79, 2015. Disponível em: https://www.journalofscience.org/index.php/GJSFR/article/view/100804. Acesso em: 13 aug. 2026.