1. Non observable and redundant spaces for implicit descriptions;Bonilla;30th IEEE-CDC,1991
2. Variable structure systems via implicit descriptions;Bonilla;1st European Control Conference,1991
3. Geometric minimization under external equivalence for implicit descriptions;Bonilla;Automatica,1995
4. On the control of linear systems having internal variations, Part II-Control;Bonilla,2002
5. Output dynamics assignment for implicit descriptions;Bonilla;Circuits, Systems and Signal Processing, Special Issue on “Implicit Robust Systems”,1994