A combinatorial proof of Postnikov's identity and a generalized enumeration of labeled trees. Seo, Seunghyun — 2005 The Electronic Journal of Combinatorics [electronic only]
A refinement of Cayley's formula for trees. Gessel, Ira M.; Seo, Seunghyun — 2006 The Electronic Journal of Combinatorics [electronic only]
Colored Prüfer codes for k -edge colored trees. Cho, Manwon; Kim, Dongsu; Seo, Seunghyun; Shin, Heesung — 2004 The Electronic Journal of Combinatorics [electronic only]