BICH, Nguyen Dang; 						NAM, Ngo Dinh Bao.
 Conditions for the approximated analytical solution of a parametric oscillation problem described by the mathieu equation.
<strong>VNU Journal of Science: Mathematics - Physics</strong>, [S.l.], v. 22, n. 2, june 2006.
ISSN 2588-1124.
Available at: &lt;<a href="https://js.vnu.edu.vn/MaP/article/view/2785" target="_new">https://js.vnu.edu.vn/MaP/article/view/2785</a>&gt;. Date accessed: 22 nov. 2024.