Johnson, J. Robert, Imre Leader, and Mark Walters. “Transitive Avoidance Games”. The Electronic Journal of Combinatorics 24, no. 1 (March 31, 2017): P1.61. Accessed March 27, 2026. https://www.combinatorics.org/ojs/index.php/eljc/article/view/v24i1p61.