Huan, N.
(2002).
 In frared singula rities of ferion green’s function and the wilson loop.
<em>VNU Journal Of Science: Mathematics - Physics, 18</em>(1).
Retrieved from <a href="https://js.vnu.edu.vn/MaP/article/view/3226" target="_new">https://js.vnu.edu.vn/MaP/article/view/3226</a>