Qian, Jin, and Dijen K. Ray-Chaudhuri. “Frankl-Füredi Type Inequalities for Polynomial Semi-Lattices”. The Electronic Journal of Combinatorics 4, no. 1 (October 20, 1997): R28. Accessed March 27, 2026. https://www.combinatorics.org/ojs/index.php/eljc/article/view/v4i1r28.