Yuechao Ma Qingling Zhang Yuwei Ren Xuefeng Zhang H guaranteed cost control for time-delay uncertain discrete systems. 1-6 2006 ICARCV http://dx.doi.org/10.1109/ICARCV.2006.345319 conf/icarcv/2006 db/conf/icarcv/icarcv2006.html#MaZRZ06