Do V-K, Nguyen H-N. The Koszulness of numerical semigroup rings of minimal multiplicity . HPU2. Nat. Sci. Tech [Internet]. 2023 Dec. 29 [cited 2025 Apr. 3];2(3):3-12. Available from: https://sj.hpu2.edu.vn/index.php/journal/article/view/209