Denis V. Efimov, Andrei Polyakov, Emilia Fridman, Wilfrid Perruquetti, J. P. Richard. Delay-dependent positivity: Application to interval observers. In European Control Conference, ECC 2015, Linz, Austria, July 15-17, 2015. pages 2074-2078, IEEE, 2015. [doi]
Abstract is missing.