1. An extension of a criterion for unimodality;Alvarez;Electron. J. Combin.,2001
2. Log concave and unimodal sequences in Algebra, Combinatorics and Geometry: An update;Brenti;Contemp. Math.,1994
3. Reliability polynomials: A survey;Chari;J. Combin. Inform. System Sci.,1997
4. Properties on the average number of spanning trees in connected spanning subgraphs for an undirected graph;Cheng;IEICE Trans. Fundam.,2003
5. P. Cheng, S. Masuyama, Properties on the number of connected spanning subgraphs in an undirected graph, in: Proc. of the 3rd Hungarian–Japanese Symposium Discrete Mathematics and its Applications, January 2003, pp. 262–268