L. O. Guo Yumin Zhang Chun-Bo Feng Generalized H<sub>infinity</sub> performance and mixed H<sub>2</sub>/H<sub>infinity</sub> optimization for time delay systems. 36-41 2004 ICARCV http://dx.doi.org/10.1109/ICARCV.2004.1468794 conf/icarcv/2004 db/conf/icarcv/icarcv2004.html#GuoZF04