1.
Caicedo JB, Moll VH, Ramírez JL, Villamizar D. Extensions of Set Partitions and Permutations. Electron. J. Combin. [Internet]. 2019May17 [cited 2026Mar.27];26(2):P2.20. Available from: https://www.combinatorics.org/ojs/index.php/eljc/article/view/v26i2p20