Bender EA, Canfield ER, Richmond LB. Coefficients of Functional Compositions Often Grow Smoothly. Electron. J. Combin. [Internet]. 2008Feb.4 [cited 2026May16];15(1):#R21. Available from: https://www.combinatorics.org/ojs/index.php/eljc/article/view/v15i1r21