HAN, Nguyen Suan.
 On equations of motion, boundary conditions and conserved energy-momentum of the rigid string.
<strong>VNU Journal of Science: Mathematics - Physics</strong>, [S.l.], v. 24, n. 3, sep. 2008.
ISSN 2588-1124.
Available at: &lt;<a href="https://js.vnu.edu.vn/MaP/article/view/3506" target="_new">https://js.vnu.edu.vn/MaP/article/view/3506</a>&gt;. Date accessed: 19 may 2024.