Remmel JB, Wachs ML. Rook Theory, Generalized Stirling Numbers and $(p,q)$-Analogues. Electron. J. Combin. [Internet]. 2004Nov.22 [cited 2026May28];11(1):#R84. Available from: https://www.combinatorics.org/ojs/index.php/eljc/article/view/v11i1r84