Interval analysis and design of robust pole assignment controllers. - Alfredo D. S. Lordelo; Paulo A. V. Ferreira (CDC, 2002)

Analysis and Design of Robust Controllers Using the Interval Diophantine Equation. - Alfredo D. S. Lordelo; Edvaldo A. Juzzo; Paulo A. V. Ferreira (Reliab. Comput., 2006)