1.
Cori R, Mathieu C, Robson JM. On the Number of Indecomposable Permutations with a Given Number of Cycles. Electron. J. Combin. [Internet]. 2012Feb.29 [cited 2026Mar.14];19(1):P49. Available from: https://www.combinatorics.org/ojs/index.php/eljc/article/view/v19i1p49