<?xml version="1.0"?>
<dblp>
<article key="journals/isci/Yao98a" mdate="2003-11-24">
<author>Y. Y. Yao</author>
<title>A Comparative Study of Fuzzy Sets and Rough Sets.</title>
<pages>227-242</pages>
<year>1998</year>
<volume>109</volume>
<journal>Inf. Sci.</journal>
<number>1-4</number>
<url>db/journals/isci/isci109.html#Yao98a</url>
</article>
</dblp>
