1.
Wocjan P, Elphick C. New Spectral Bounds on the Chromatic Number Encompassing all Eigenvalues of the Adjacency Matrix. Electron. J. Combin. [Internet]. 2013Sep.13 [cited 2026Mar.15];20(3):P39. Available from: https://www.combinatorics.org/ojs/index.php/eljc/article/view/v20i3p39