1. A. Bacciotti, Andrea and L. Rosier, Liapunov functions and stability in control theory. Second edition.Commun. Control Engrg. Ser.Springer-Verlag, Berlin (2005).
2. M. Bardi and I. Capuzzo Dolcetta,Optimal control and viscosity solutions of Hamilton-Jacobi-Bellman equations.Birkhäuser, Boston (1997).
3. A. Bressan and B. Piccoli,Introduction to the mathematical theory of control.Vol. 2.AIMS Ser. Appl. Math. Amer. Institute of Math. Sci.AIMS, Springfield, MO (2007).
4. Bressan A. and Rampazzo F., On differential systems with vector-valued impulsive controls.Boll. Un. Mat. Ital. B7(1988) 641–656.
5. D.A. Carlson and A. Haurie, Infinite horizon optimal control. Theory and applications. Vol. 290 ofLect. Notes Econom. Math. Systems.Springer-Verlag, Berlin (1987).