Szukana fraza: [Opis = "W\: S. Tsumoto, S. Kobayashi, T. Yokomori, H. Tanaka, and A. Nakamura, editors, Proceedings of the Fourth International Workshop on Rough Sets, Fuzzy Sets, and Machine Discovery \(RSFD'96\), The University of Tokyo, November 6\-8, 1996, pages 1\-8, 1996"]
