AL-MUJMAEY, Alaa A. A.; AL-ALEYAWEE, Rabeaa G. A. Hyperfactord of Shi arrangement Sh(A2) and Sh(A3). Al-Mustansiriyah Journal of Science, Baghdad, Iraq, v. 33, n. 3, p. 43–47, 2022. DOI: 10.23851/mjs.v33i3.1139. Disponível em: https://mjs.uomustansiriyah.edu.iq/index.php/MJS/article/view/1139.. Acesso em: 5 may. 2024.