MOHAMMED, Amir A.; HASAN, Abdulhakeem L. On N-Dimensional Achr-Algebras. Science Journal of University of Zakho, [S. l.], v. 1, n. 1, p. 333–337, 2013. Disponível em: https://sjuoz.uoz.edu.krd/index.php/sjuoz/article/view/106. Acesso em: 19 nov. 2025.