Balachandran, Niranjan, Rogers Mathew, and Tapas Kumar Mishra. “Fractional L-Intersecting Families”. The Electronic Journal of Combinatorics 26, no. 2 (June 21, 2019): #P2.40. Accessed May 13, 2026. https://www.combinatorics.org/ojs/index.php/eljc/article/view/v26i2p40.