Kinga Włodarczyk, Krzysztof J. Szajowski, “A measure of the importance of roads based on topography and traffic intensity”, Mat. Teor. Igr Pril., 13:1 (2021), 28–58
Krzysztof Szajowski, “Comparison among Some Optimal Policies in Rank-Based Selection Problems”, Contributions to Game Theory and Management, 3 (2010), 409–420