Kuba, Markus On evaluations of infinite double sums and Tornheim’s double series. (English) Zbl 1196.11122 Sémin. Lothar. Comb. 58, B58d, 11 p. (2007). MSC: 11M41 40B05 11Y60 PDF BibTeX XML Cite \textit{M. Kuba}, Sémin. Lothar. Comb. 58, B58d, 11 p. (2007; Zbl 1196.11122) Full Text: EMIS EuDML
Kuba, Markus; Wagner, Stephan G. Perfect matchings and \(k\)-decomposability of increasing trees. (English) Zbl 1187.05059 Sémin. Lothar. Comb. 57, B57a, 14 p. (2006). MSC: 05C70 05C05 05C30 PDF BibTeX XML Cite \textit{M. Kuba} and \textit{S. G. Wagner}, Sémin. Lothar. Comb. 57, B57a, 14 p. (2006; Zbl 1187.05059) Full Text: EMIS EuDML