Grzesik A. On the Caccetta-Häggkvist Conjecture with a Forbidden Transitive Tournament. Electron. J. Combin. [Internet]. 2017May5 [cited 2026Mar.17];24(2):P2.19. Available from: https://www.combinatorics.org/ojs/index.php/eljc/article/view/v24i2p19