Two necessary conditions for a complex polynomial to be strictly Hurwitz and their applications in robust stability analysis. - Yunqing Shi 001; K. K. Yen; C. M. Chen (IEEE Trans. Autom. Control., 1993)

Comments on "Two necessary conditions for a complex polynomial to be strictly Hurwitz and their applications in robust stability analysis" [with reply]. - Boris T. Polyak; Yakov Z. Tsypkin; Yunqing Shi 001; K. K. Yen; C. M. Chen (IEEE Trans. Autom. Control., 1994)