Pirot F, Sereni J-S, Škrekovski R. Variations on the Petersen Colouring Conjecture. Electron. J. Combin. [Internet]. 2020Jan.10 [cited 2026Mar.17];27(1):P1.8. Available from: https://www.combinatorics.org/ojs/index.php/eljc/article/view/v27i1p8