Researchr is a web site for finding, collecting, sharing, and reviewing scientific publications, for researchers by researchers.
Sign up for an account to create a profile with publication list, tag and review your related work, and share bibliographies with your co-authors.
Robert E. Jamison, Richard J. Nowakowski. A Helly theorem for convexity in graphs. Discrete Mathematics, 51(1):35-39, 1984. [doi]