Hiller M. Counterexamples to the Characterisation of Graphs with Equal Independence and Annihilation Number. Electron. J. Combin. [Internet]. 2023Nov.17 [cited 2026Mar.28];30(4):P4.25. Available from: https://www.combinatorics.org/ojs/index.php/eljc/article/view/v30i4p25