1.
Seo S. A Combinatorial Proof of Postnikov’s Identity and a Generalized Enumeration of Labeled Trees. Electron. J. Combin. [Internet]. 2005Jan.24 [cited 2026Mar.28];11(2):N3. Available from: https://www.combinatorics.org/ojs/index.php/eljc/article/view/v11i2n3