Minimum phase robustness for uncertain state-space systems. - Shin-Ju Chen; Jong-Lick Lin; Kuo-Chin Chan (Int. J. Syst. Sci., 2003)

Minimum phase robustness margin for second-order systems with multidirectional perturbations. - Jong-Lick Lin; Kuo-Chin Chan; Shin-Ju Chen (J. Frankl. Inst., 2004)