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.
Martin Grohe. Existential Least Fixed-Point Logic and its Relatives. Journal of Logic and Computation, 7(2):205-228, 1997.
Abstract is missing.