Nam Sinh, Tran. “SEGRE’S UPPER BOUND FOR THE REGULARITY INDEX OF 2n+1 DOUBLE POINTS IN P^n”. Hue University Journal of Science: Natural Science 126, no. 1B (May 16, 2017): 23-36. Accessed May 7, 2024. https://jos.hueuni.edu.vn/index.php/hujos-ns/article/view/3910.