Pawlak, Zdzisław; Skowron, Andrzej Rough sets and Boolean reasoning. (English) Zbl 1142.68551 Inf. Sci. 177, No. 1, 41-73 (2007). MSC: 68T37 68T05 68T10 PDFBibTeX XMLCite \textit{Z. Pawlak} and \textit{A. Skowron}, Inf. Sci. 177, No. 1, 41--73 (2007; Zbl 1142.68551) Full Text: DOI Link
Pawlak, Zdzisław; Skowron, Andrzej Rudiments of rough sets. (English) Zbl 1142.68549 Inf. Sci. 177, No. 1, 3-27 (2007). MSC: 68T37 PDFBibTeX XMLCite \textit{Z. Pawlak} and \textit{A. Skowron}, Inf. Sci. 177, No. 1, 3--27 (2007; Zbl 1142.68549) Full Text: DOI