Ding G, Lewchalermvongs C, Maharry J. Graphs with no $\bar P_7$-Minor. Electron. J. Combin. [Internet]. 2016Apr.15 [cited 2026Mar.14];23(2):P2.16. Available from: https://www.combinatorics.org/ojs/index.php/eljc/article/view/v23i2p16