Szukana fraza: [Opis = "W\: W. Ziarko and Y.Y. Yao, editors, Proceedings of the International Conference on Rough Sets and Current Trends in Computing \(RSCTC 2000\), Banff, Canada, October 16\-19, 2000, pages 1\-16, 2000. \(see also\: LNAI 2005, 30\-45\)"]
