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.
Klaus Dohmen. Improved inclusion-exclusion identities via closure operators. Discrete Mathematics & Theoretical Computer Science, 4(1):61-66, 2000. [doi]
Abstract is missing.