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.
Mikolaj Bojanczyk, Stanislaw Szawiel, Marek W. Zawadowski. Rigidity is undecidable. Mathematical Structures in Computer Science, 24(6), 2014. [doi]
Abstract is missing.