Chornomaz, Bogdan. “What Convex Geometries Tell About Shattering-Extremal Systems”. The Electronic Journal of Combinatorics 29, no. 3 (August 12, 2022): P3.40. Accessed March 27, 2026. https://www.combinatorics.org/ojs/index.php/eljc/article/view/v29i3p40.