1.
Yu L, Peng Y. A Spectral Version of the Theorem of Zykov and Erdős . Electron. J. Combin. [Internet]. 2025Oct.17 [cited 2026Mar.29];32(4):P4.15. Available from: https://www.combinatorics.org/ojs/index.php/eljc/article/view/v32i4p15