HA, Dinh Huy; 						HUNG, Le Khanh.
 Symmetric  spaces  and  point - countable  covers.
<strong>VNU Journal of Science: Mathematics - Physics</strong>, [S.l.], v. 22, n. 3, sep. 2006.
ISSN 2588-1124.
Available at: &lt;<a href="https://js.vnu.edu.vn/MaP/article/view/2798" target="_new">https://js.vnu.edu.vn/MaP/article/view/2798</a>&gt;. Date accessed: 20 may 2024.