Wang, David G.L., and Jerry J.R. Zhang. “A Toeplitz Property of Ballot Permutations and Odd Order Permutations”. The Electronic Journal of Combinatorics 27, no. 2 (June 26, 2020): P2.55. Accessed March 27, 2026. https://www.combinatorics.org/ojs/index.php/eljc/article/view/v27i2p55.