Foata, Dominique, and Guo-Niu Han. “Calcul Basique Des Permutations Signées, II: Analogues Finis Des Fonctions De BesseL”. The Electronic Journal of Combinatorics 4, no. 2 (December 4, 1996): R9. Accessed March 27, 2026. https://www.combinatorics.org/ojs/index.php/eljc/article/view/v4i2r9.