Sheng-Ming Wu Chein-Chung Sun Hung-Yuan Chung Wen-Jer Chang Mixed H<sub>2</sub>/H<sub>infinity</sub> region-based fuzzy controller design for continuous-time fuzzy systems. 19-30 2007 18 Journal of Intelligent and Fuzzy Systems 1 http://iospress.metapress.com/openurl.asp?genre=article&issn=1064-1246&volume=18&issue=1&spage=19 db/journals/jifs/jifs18.html#WuSCC07