Guay-Paquet, Mathieu, and Kyle Petersen. “The Generating Function for Total Displacement”. The Electronic Journal of Combinatorics 21, no. 3 (September 11, 2014): P3.37. Accessed March 27, 2026. https://www.combinatorics.org/ojs/index.php/eljc/article/view/v21i3p37.