Distance of a complex coefficient stable polynomial from the boundary of the stability set. - Alfredo C. Desages; Liliana Castro; Hernán Cendra (Multidimens. Syst. Signal Process., 1991)

On the distance to the instability border of hurwitz polynomials with coefficients that depend affinely on m parameters and a particular convexity property of Hn. - Carlos Robledo; Alfredo C. Desages; Hernán Cendra (Multidimens. Syst. Signal Process., 1992)