TY - BOOK AU - Polkowski,Lech TI - Rough sets: mathematical foundations T2 - Advances in Soft Computing SN - 3790815101 U1 - 511.32 23 CY - Heidelberg PB - Physica Verlag:2002 KW - Rough sets KW - Logic, Symbolic and Mathematical KW - Artificial Intelligence N1 - Includes bibliographical references and index; Part 1. Rough sets -- Part 2. Prerequisites -- Part 3. Mathematics of rough sets -- Part 4. Rough vs. fuzzy ER -