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.
V. Wiktor Marek, Grigori F. Shvarts, Miroslaw Truszczynski. Modal Nonmonotonic Logics: Ranges, Characterization, Computation. Journal of the ACM, 40(4):963-990, 1993. [doi]
Abstract is missing.