Yoshio Sano The principal numbers of K. Saito for the types A_{l}, D_{l} and E_{l}. [Citation Graph (0, 0)][DBLP] Discrete Mathematics, 2007, v:307, n:21, pp:2636-2642 [Journal]

The competition numbers of complete tripartite graphs. [Citation Graph (, )][DBLP]

Characterizations of competition multigraphs. [Citation Graph (, )][DBLP]

The competition number of a graph whose holes do not overlap much. [Citation Graph (, )][DBLP]