1.
Axenovich M, Schade U, Thomassen C, Ueckerdt T. Planar Ramsey Graphs. Electron. J. Combin. [Internet]. 2019Oct.11 [cited 2026Mar.17];26(4):P4.9. Available from: https://www.combinatorics.org/ojs/index.php/eljc/article/view/v26i4p9