Luo, Ruth, and Sam Spiro. “Forbidding $K_{2,t}$ Traces in Triple Systems”. The Electronic Journal of Combinatorics 28, no. 2 (April 9, 2021): P2.4. Accessed March 29, 2026. https://www.combinatorics.org/ojs/index.php/eljc/article/view/v28i2p4.