F.AL-MAYAHI, Noori; S.IBRAHAIM, Layth. Some Properties of Two-Fuzzy pre-Hilbert Space. Journal of Al-Qadisiyah for Computer Science and Mathematics, [S. l.], v. 5, n. 2, p. 1–7, 2017. Disponível em: https://jqcsm.qu.edu.iq/index.php/journalcm/article/view/147. Acesso em: 15 nov. 2024.