Ai, Jiangdong, Hong Liu, Zixiang Xu, and Qiang Zhou. “Piercing Independent Sets in Graphs Without Large Induced Matching”. The Electronic Journal of Combinatorics 32, no. 1 (January 31, 2025): P1.10. Accessed March 27, 2026. https://www.combinatorics.org/ojs/index.php/eljc/article/view/v32i1p10.