Erdős PL, Gerbner D, Lemons N, Mubayi D, Palmer C, Patkós B. Two-Part Set Systems. Electron. J. Combin. [Internet]. 2012Mar.9 [cited 2026Mar.17];19(1):P52. Available from: https://www.combinatorics.org/ojs/index.php/eljc/article/view/v19i1p52