Austhof, Bethany, and Sean English. “Nearly-Regular Hypergraphs and Saturation of Berge Stars”. The Electronic Journal of Combinatorics 26, no. 4 (December 20, 2019): #P4.49. Accessed April 27, 2026. https://www.combinatorics.org/ojs/index.php/eljc/article/view/v26i4p49.