Nguyen Anh Dai, Nguyen Thi Huong Giang, and Pham Van Tien. 2019. “DISCRETE-TIME FOURIER GENERALIZED CONVOLUTION INEQUALITY AND TOEPLITZ PLUS HANKEL EQUATION”. UTEHY Journal of Applied Science and Technology 23 (October), 31-33. http://jst.utehy.edu.vn/index.php/jst/article/view/48.