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Bagno E, Biagioli R, Garber D. Some Identities Involving Second Kind Stirling Numbers of Types $B$ and $D$. Electron. J. Combin. [Internet]. 2019Jul.5 [cited 2026Mar.31];26(3):P3.9. Available from: https://www.combinatorics.org/ojs/index.php/eljc/article/view/v26i3p9