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.
Rajeev Motwani, Arvind Raghunathan, Huzur Saran. Perfect Graphs and Orthogonally Convex Covers. SIAM J. Discrete Math., 2(3):371-392, 1989.
Abstract is missing.