Hung Son Nguyen, Andrzej Skowron. Rough Sets: From Rudiments to Challenges. In Andrzej Skowron, Zbigniew Suraj, editors, Rough Sets and Intelligent Systems - Professor Zdzisław Pawlak in Memoriam - Volume 1. Volume 42 of Intelligent Systems Reference Library, pages 75-173, Springer, 2013. [doi]
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