1. Discontinuous Automatic Control;Flugge-Lotz,1953
2. Relay Control Systems;Tsypkin,1984
3. Sliding Modes in Control Optimization;Utkin,1992
4. Discontinuous Control Systems;Boiko,2009
5. Robust throttle control of automotive engines;Choi;ASME J. Dyn. Syst. Meas. Control,1996