ELZIDANI, Manal Altaher; ELSHEGMANI, Zieneb Ali. principal projection property of Riesz space . Scientific Journal of Faculty of Education, Misurata University , [S. l.], v. 10, n. Special Issue, p. 277–291, 2023. Disponível em: https://journals.misuratau.edu.ly/edu/ojs/index.php/eduction/article/view/351. Acesso em: 6 nov. 2026.