Almost all trees have an even number of independent sets. Wagner, Stephan G. — 2009 The Electronic Journal of Combinatorics [electronic only]
On an identity for the cycle indices of rooted tree automorphism groups. Wagner, Stephan G. — 2006 The Electronic Journal of Combinatorics [electronic only]
Perfect matchings and k -decomposability of increasing trees. Kuba, Markus; Wagner, Stephan — 2006 Séminaire Lotharingien de Combinatoire [electronic only]
On the distribution of depths in increasing trees. Kuba, Markus; Wagner, Stephan — 2010 The Electronic Journal of Combinatorics [electronic only]
Records in set partitions. Knopfmacher, Arnold; Mansour, Toufik; Wagner, Stephan — 2010 The Electronic Journal of Combinatorics [electronic only]