Chyzak, Frédéric, and Karen Yeats. “Bijections Between Łukasiewicz Walks and Generalized Tandem Walks”. The Electronic Journal of Combinatorics 27, no. 2 (April 3, 2020): P2.3. Accessed March 30, 2026. https://www.combinatorics.org/ojs/index.php/eljc/article/view/v27i2p3.