Önal, Süleyman, and Servet Soyarslan. “$k$-Markov and $k$-Tactic for NONEMPTY in the Choquet Game”. Topology Proceedings 60 (October 6, 2021): 59–69. Accessed June 30, 2026. https://www.topologyproceedings.org/index.php/tp/article/view/61.