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.
Victor W. Marek. Characterizing Pawlak s Approximation Operators. T. Rough Sets, 7:140-150, 2007. [doi]
Abstract is missing.