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.
Marc Bezem, Clemens Grabmayer, Michal Walicki. Expressive power of digraph solvability. Annals of Pure and Applied Logic, 163(3):200-213, 2012. [doi]