HAI, Ta Quang.
 Some properties  almost - periodic  solution  of  linear  differential  equations.
<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/2797" target="_new">https://js.vnu.edu.vn/MaP/article/view/2797</a>&gt;. Date accessed: 20 may 2024.