Chornomaz, B. O. “Lower Bound on the Number of Meet-Irreducible Elements in Extremal Lattices”. Visnyk of V. N. Karazin Kharkiv National University. Ser. Mathematics, Applied Mathematics and Mechanics 860 (November 29, 2017): 26-48. Accessed November 30, 2024. https://periodicals.karazin.ua/mech_math/article/view/11005.