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.
Steve Seif, Csaba Szabó. Algebra complexity problems involving graph homomorphism, semigroups and the constraint satisfaction problem. J. Complexity, 19(2):153-160, 2003. [doi]
Abstract is missing.