Nguyen, H., 		nguyen, B., 		Do, K., & 		Vu, P.
(2017).
 About one experimental modulus having excited the parametric phenomena by low pumping frequency.
<em>VNU Journal Of Science: Mathematics - Physics, 20</em>(3AP).
Retrieved from <a href="https://js.vnu.edu.vn/MaP/article/view/4156" target="_new">https://js.vnu.edu.vn/MaP/article/view/4156</a>