Aravind, N. R., Stijn Cambie, Wouter Cames van Batenburg, Rémi de Joannis de Verclos, Ross J. Kang, and Viresh Patel. “Structure and Colour in Triangle-Free Graphs”. The Electronic Journal of Combinatorics 28, no. 2 (June 18, 2021): P2.47. Accessed March 16, 2026. https://www.combinatorics.org/ojs/index.php/eljc/article/view/v28i2p47.