Elphick C, Wocjan P. An Inertial Lower Bound for the Chromatic Number of a Graph. Electron. J. Combin. [Internet]. 2017Mar.31 [cited 2026Mar.14];24(1):P1.58. Available from: https://www.combinatorics.org/ojs/index.php/eljc/article/view/v24i1p58