1.
Dourado MC, Protti F, Szwarcfiter JL. Complexity Aspects of the Helly Property: Graphs and Hypergraphs. Electron. J. Combin. [Internet]. 2009Jun.12 [cited 2026Apr.12];Dynamic Surveys:#DS17: Jun 2, 2009. Available from: https://www.combinatorics.org/ojs/index.php/eljc/article/view/DS17