Jouni Järvinen. Approximations and Rough Sets Based on Tolerances. In Wojciech Ziarko, Y. Y. Yao, editors, Rough Sets and Current Trends in Computing, Second International Conference, RSCTC 2000 Banff, Canada, October 16-19, 2000, Revised Papers. Volume 2005 of Lecture Notes in Computer Science, pages 182-189, Springer, 2000. [doi]
Abstract is missing.