Lyngsie, Kasper Szabo, and Liang Zhong. “Vertex Colouring Edge Weightings: A Logarithmic Upper Bound on Weight-Choosability”. The Electronic Journal of Combinatorics 28, no. 2 (April 23, 2021): #P2.11. Accessed May 25, 2026. https://www.combinatorics.org/ojs/index.php/eljc/article/view/v28i2p11.