Đường, H., & 		Bình, T.
(1986).
 Vec tơ đặc trưng trên phân thớ Véctơ.
<em>VNU Journal Of Science: Natural Sciences And Technology, 2</em>(3).
Retrieved from <a href="https://js.vnu.edu.vn/NST/article/view/4123" target="_new">https://js.vnu.edu.vn/NST/article/view/4123</a>