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.
Irena Penev. Coloring Bull-Free Perfect Graphs. SIAM J. Discrete Math., 26(3):1281-1309, 2012. [doi]
Abstract is missing.