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.
Oddvar Kloster. A solution to the Angel Problem. Theoretical Computer Science, 389(1-2):152-161, 2007. [doi]
Abstract is missing.